Eccentric eruption-chaser Villi Knudsen is the photographer, owner and presenter of the fascinating Volcano Show, a film show that captures 50 years of Icelandic volcanoes. Although some of the footage is a bit old and wobbly, you’re still left reeling by images of the town Heimaey being crushed by molten lava, or the island Surtsey boiling its way out of the sea.