A fascinating and colorful look at the ways more than 500 million people adjust to life in the shadow of essential, yet potentially deadly, volcanoes.
With the help of diver and biologist Laurent Ballesta, a scientific expedition explores three sunken Italian volcanic sites in the Mediterranean.
Marko Röhr's film crew takes the viewer to Europe's last unexplored area: Iceland's unique underwater world. We explore the geysers of boiling waters and the crystal clear lakes off the coast of Iceland. We dive under the icebergs, into the tears between the continental plates and into the deep caves.
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