10 Things You Didn't Know About...Volcanoes Clips

1. The sleeping giant

   Duration: 03:32

2. Mount Kilauea

   Duration: 02:33

3. Silent killer

   Duration: 04:00

4. Iceland's volcanoes

   Duration: 02:32

5. The dawn of volcanology

   Duration: 02:28

6. Active Mount Etna

   Duration: 00:51

7. Giant volcanoes on Mars

   Duration: 02:42