Deep inside the chamber of Ahd Al Quarry mine. The yellow markings indicate loose rock liable to collapse. Think I'll leave now. The chamber is quite high and the caving lamp picked out the markings on the walls. Place was full of water vapour so photos were hard to come by.
Uploaded to Geograph by Peter Bond on 28 July 2011
Photo © Peter Bond, 28 July 2011. Licensed for reuse under this Creative Commons licence