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The Galapagos Islands are beautiful. They are full of interesting animals and birds. One famous visitor to the islands, in 1835, was the scientist Charles Darwin. Now the two young Americans, Sophie and David, are making a movie there. What do they find?
A volcano is a mountain with a large hole at the top. Active volcanoes can be dangerous because they can erupt, or produce very hot, melted rock. In Sicily, there are several towns near a large volcano. Why do people live in such a dangerous place? Is it safe?