Explored this one with Gone before we headed out to Wales the next day for the start of our Road Trip. With many different brickwork involved in the complicated and different sized tunnels, it gave us a great opportunity to experiment with our cameras and equipment. However, it was a cold and wet explore...even with waders involved. 

A good mix of Dre's 2001: The Chronic and The Fugee's is essential draining music.

Cheers for returning, Jimmy.