1. Le lac du DER

2. Le lac du DER is an artificial lake. It is situeted in Champagne-Ardenne. It was built, in 1967, to protect Paris of floods because the Seine was in flood in 1910 and 1924. This is the larggest artificial lake in Europe.

3. At the lac DER, we can see a lots of birds during november because they are going to hot countries. The poeple can observe them in the observatory There are aslo tourists who come to go sailing or boat. And other who come to swim in the lake and to play on the beach.