Skating on thin ice isn’t something that most people would attempt due to the danger of falling through to the cold water below but it’s perfectly normal for Mårten Ajne. His sport is known as “Nordic Skating” or “Wild Ice Skating” and it involves using math and science to seek out the best black ice to skate on. The sounds that result from this skating that is both an art and science are truly unique. If you enjoyed this video you might also like to see some more Ice Skating in Sweden