Cave Lights
An HDR-rendered image of natural salt stalactite and stalagmite deposits seen inside the Khewra Salt Mines located in Punjab, Pakistan.
The red-lighted tower (approx. 20 ft high) in the background is constructed with salt bricks made out of this salt-mine.
Nikon D40, Tokina 11-16 f/2.8 @ 11mm, f/22, 15secs, ISO 400.
Uploaded on February 14, 2013