Castle Inn Quarry (Snowdonia National Park)
Geologist and keen climber Dr Tom Challands challenges a pair of young people each to climb a rock face and see just what can be revealed from this unique vantage point, on the rock face rather than observing from the ground.
The climbs are not only technically demanding but throw up different field study challenges for the team to solve.
This location is a sheer climb at Castle Inn Quarry North Wales. These experienced climbers face the task of finding evidence from the rock to see how it was formed and also if human activity has played its part in what we see today.