Video: Mountain Biking Through an Abandoned Mine

What do you do if you discover an old, abandoned mine while mountain biking through the backcountry? Why, explore it by bike of course! That's exactly what Kilian Bron and his friends did when they had that exact same scenario present itself to them while out on a ride recently. The result is a great video that follows them into the depths of the Earth while on their bikes. Check it out below.