Volcanoes
A constructive plate boundary
Iceland Eyjafjallajökull © Flickr; Bjarki Sigursveinsson
A destructive plate boundary
Villarrica, Chile Mount Villarrica © Flickr; Gerben van Heijningen
Mauna Loa and Kilauea Mauna Loa © Flickr; Aubrey Saunders Kilauea Volcano © Flickr; Greg Bishop
Mount Etna Etna 12 may 2011 © Flickr; Helena Eriksson
The structure of a composite volcano
Edinburgh Castle Edinburgh castle © Flickr, greg.road.trip
The Giant’s Causeway Giant causeway © Flickr; facildeuntar Giants Causeway © Flickr; Amanda Slater