4 Oct 2014 · Canon EOS REBEL T4i · EF-S18-55mm f/3.5-5.6 IS II
A dimly lit underground passage with rough stone walls and ceiling, partially covered with light-colored sand or gravel on the floor. The corridor extends into the distance beneath a natural rock roof.
tunnel, underground tunnel, stone cave, rock ceiling, sand floor, corridor, passageway, subterranean, quarry, dim lighting, earth tones, brown
