On Iceland’s Reykjanes Peninsula, fire and ice collide in a landscape forged by volcanoes. Here, the famous Blue Lagoon and the large geothermal power stations stand as symbols of how people harness the Earth’s raw energy. But survival on this shifting ground demands constant vigilance. With six active volcanic systems stretching beneath the peninsula, the line between creation and destruction has never been so thin. Watch Engineering Europe on Sundays at 8pm on National Geographic UK | National