David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre.

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre.

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge?

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge?

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at?

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at?

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit?

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit?

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they look

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they look at

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they look at from

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they look at from there?

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they look at from there?

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they look at from there? When

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they look at from there? When did

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they look at from there? When did Lucy

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they look at from there? When did Lucy and

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they look at from there? When did Lucy and David

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they look at from there? When did Lucy and David see

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they look at from there? When did Lucy and David see Don

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they look at from there? When did Lucy and David see Don Giovanni

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they look at from there? When did Lucy and David see Don Giovanni at

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they look at from there? When did Lucy and David see Don Giovanni at the

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they look at from there? When did Lucy and David see Don Giovanni at the National

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they look at from there? When did Lucy and David see Don Giovanni at the National Theatre?

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they look at from there? When did Lucy and David see Don Giovanni at the National Theatre?

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they look at from there? When did Lucy and David see Don Giovanni at the National Theatre? Who

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they look at from there? When did Lucy and David see Don Giovanni at the National Theatre? Who saw

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they look at from there? When did Lucy and David see Don Giovanni at the National Theatre? Who saw Don

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they look at from there? When did Lucy and David see Don Giovanni at the National Theatre? Who saw Don Giovanni

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they look at from there? When did Lucy and David see Don Giovanni at the National Theatre? Who saw Don Giovanni at

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they look at from there? When did Lucy and David see Don Giovanni at the National Theatre? Who saw Don Giovanni at the

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they look at from there? When did Lucy and David see Don Giovanni at the National Theatre? Who saw Don Giovanni at the National

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they look at from there? When did Lucy and David see Don Giovanni at the National Theatre? Who saw Don Giovanni at the National Theatre

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they look at from there? When did Lucy and David see Don Giovanni at the National Theatre? Who saw Don Giovanni at the National Theatre one

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they look at from there? When did Lucy and David see Don Giovanni at the National Theatre? Who saw Don Giovanni at the National Theatre one evening?

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they look at from there? When did Lucy and David see Don Giovanni at the National Theatre? Who saw Don Giovanni at the National Theatre one evening?

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they look at from there? When did Lucy and David see Don Giovanni at the National Theatre? Who saw Don Giovanni at the National Theatre one evening? What

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they look at from there? When did Lucy and David see Don Giovanni at the National Theatre? Who saw Don Giovanni at the National Theatre one evening? What did

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they look at from there? When did Lucy and David see Don Giovanni at the National Theatre? Who saw Don Giovanni at the National Theatre one evening? What did Lucy

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they look at from there? When did Lucy and David see Don Giovanni at the National Theatre? Who saw Don Giovanni at the National Theatre one evening? What did Lucy and

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they look at from there? When did Lucy and David see Don Giovanni at the National Theatre? Who saw Don Giovanni at the National Theatre one evening? What did Lucy and David

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they look at from there? When did Lucy and David see Don Giovanni at the National Theatre? Who saw Don Giovanni at the National Theatre one evening? What did Lucy and David see

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they look at from there? When did Lucy and David see Don Giovanni at the National Theatre? Who saw Don Giovanni at the National Theatre one evening? What did Lucy and David see at

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they look at from there? When did Lucy and David see Don Giovanni at the National Theatre? Who saw Don Giovanni at the National Theatre one evening? What did Lucy and David see at the

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they look at from there? When did Lucy and David see Don Giovanni at the National Theatre? Who saw Don Giovanni at the National Theatre one evening? What did Lucy and David see at the National

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they look at from there? When did Lucy and David see Don Giovanni at the National Theatre? Who saw Don Giovanni at the National Theatre one evening? What did Lucy and David see at the National Theatre

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they look at from there? When did Lucy and David see Don Giovanni at the National Theatre? Who saw Don Giovanni at the National Theatre one evening? What did Lucy and David see at the National Theatre one

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they look at from there? When did Lucy and David see Don Giovanni at the National Theatre? Who saw Don Giovanni at the National Theatre one evening? What did Lucy and David see at the National Theatre one evening?

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they look at from there? When did Lucy and David see Don Giovanni at the National Theatre? Who saw Don Giovanni at the National Theatre one evening? What did Lucy and David see at the National Theatre one evening?

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they look at from there? When did Lucy and David see Don Giovanni at the National Theatre? Who saw Don Giovanni at the National Theatre one evening? What did Lucy and David see at the National Theatre one evening? Where

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they look at from there? When did Lucy and David see Don Giovanni at the National Theatre? Who saw Don Giovanni at the National Theatre one evening? What did Lucy and David see at the National Theatre one evening? Where did

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they look at from there? When did Lucy and David see Don Giovanni at the National Theatre? Who saw Don Giovanni at the National Theatre one evening? What did Lucy and David see at the National Theatre one evening? Where did Lucy

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they look at from there? When did Lucy and David see Don Giovanni at the National Theatre? Who saw Don Giovanni at the National Theatre one evening? What did Lucy and David see at the National Theatre one evening? Where did Lucy and

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they look at from there? When did Lucy and David see Don Giovanni at the National Theatre? Who saw Don Giovanni at the National Theatre one evening? What did Lucy and David see at the National Theatre one evening? Where did Lucy and David

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they look at from there? When did Lucy and David see Don Giovanni at the National Theatre? Who saw Don Giovanni at the National Theatre one evening? What did Lucy and David see at the National Theatre one evening? Where did Lucy and David see

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they look at from there? When did Lucy and David see Don Giovanni at the National Theatre? Who saw Don Giovanni at the National Theatre one evening? What did Lucy and David see at the National Theatre one evening? Where did Lucy and David see Don

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they look at from there? When did Lucy and David see Don Giovanni at the National Theatre? Who saw Don Giovanni at the National Theatre one evening? What did Lucy and David see at the National Theatre one evening? Where did Lucy and David see Don Giovanni

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they look at from there? When did Lucy and David see Don Giovanni at the National Theatre? Who saw Don Giovanni at the National Theatre one evening? What did Lucy and David see at the National Theatre one evening? Where did Lucy and David see Don Giovanni one

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they look at from there? When did Lucy and David see Don Giovanni at the National Theatre? Who saw Don Giovanni at the National Theatre one evening? What did Lucy and David see at the National Theatre one evening? Where did Lucy and David see Don Giovanni one evening?

David with his friends had a look at the Charles Bridge, then sat by the river and looked at the view of the castle from there. One evening Lucy and David saw Don Giovanni at the National Theatre. Who had a look at the Charles Bridge? What did David with his friends have a look at? Where did they sit? What did they look at from there? When did Lucy and David see Don Giovanni at the National Theatre? Who saw Don Giovanni at the National Theatre one evening? What did Lucy and David see at the National Theatre one evening? Where did Lucy and David see Don Giovanni one evening?