Wrysgan Slate Quarry: Gaping Drop (Public)
Taken from a high level, the cable in the forground is a handrail to help prevent falling over the edge of this huge, dark void. The chambers in Wrysgan are pretty big and this is no exception, but they do get bigger.
(Photo of Wrysgan Slate Quarry uploaded by Penitent Miner. Please do not copy without permission).

