Adventure photographer Tom McNally takes us on a fascinating journey behind the scenes of this amazing documentary project. Discover what lies beneath the Lakeland Fells, a hidden world of vast caverns, unstable tunnels, false floors and tecnicolour mineral depisits. The culmination of six years exploring and photographing, shortlisted for the International Photography Awards these images reveal the legacy of an industry at the very heart of Cumbria and The Lake District. 

Two 40-minute sessions with a 20-minute interval.

Photograph courtesy of Tom McNally