Petra Höfer i Freddie Röckenhaus. Germany. 2021. 90’

Riesending is by far the deepest and longest cave in Germany. Over a 25 km route and a depth of 1,200 m at Unterberg Mountain, spectacular subterranean landscapes have formed that evoke images of "The Lord of the Rings" or the stories of Jules Verne. Five cavers guide us on an exclusive journey through one of the most difficult caves in the world, as they look for its end.