I fiumi d’Europa http://www.raiscuola.rai.it/pop_up/europa_fiumi/index.htm http://intelligenza.giochixl.it/montagne-fiumi-e-mari-di-europa.html
Le catene montuose d’Europa https://video.search.yahoo.com/search/video;_ylt=AwrBT8EDPJJWGPkAnFtXNyoA;_ylu=X3oDMTByMjB0aG5zBGNvbG8DYmYxBHBvcwMxBHZ0aWQDBHNlYwNzYw–?p=Le+Catene+Montuose+D%27europa&fr=aaplw#id=1&vid=80d331046faf346c60eb54512e7cd517&action=view
L’orogenesi alpina https://www.youtube.com/watch?v=MntkNe9KD-M&list=PLwck7c7ztQNsENWKlrEt2NjPSYHziJ4vL