From NC: "Just been to the salt mines in Krakow in Poland, amazing experience and took the opportunity of visiting the toilet at 130 meters below the ground."
These fixtures mark the second deepest installation featured in the Urinal Dot Net Gallery. The distinction of the deepest set of fixtures belongs to the urinals of Carlsbad Caverns in New Mexico, USA. That array of urinals is located 755 feet (230 meters) below the ground.