1. Vulkane

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. 27 April 2013. 54 min

Humans have always been fascinated by the world's 1,900 active volcanoes. A peaceful mountain one second, it can turn into a deadly weapon the next.

2. Erdbeben

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. 27 April 2013. 54 min

The nuclear disaster of Fukushima has taken the global discussion of safety during earthquakes in cities, buildings, and reactors to a new level.

3. Stürme

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. 27 April 2013. 54 min

Due to rising death tolls and property damage worth billions of dollars, cyclones, typhoons, tornadoes, and hurricanes keep making headlines.