Black Hole Trail - Into The Black -The story behind the adventure

The only underground downhill trail in the world is no joke. In total darkness, narrow passages and low ceilings add to the mystery and adventure of the extreme trail. Olly Wilkins, Vid Peršak and Anej Štrucl ride the underground enduro trail at the abandoned lead and zinc mine in Mežica, Slovenia. Black Hole Trail is a mountain bike trail through abandoned tunnels of Lead and Zink Mine Mežica. Before the trail was built, a human has not set foot in these tunnels in over 25 years, ever since the mine shut