Chebika was built on the old site of Ad Speculum, which was a Roman outpost in ancient times. From here, they would send messages by mirror (speculum) to track caravans en route to Tozeur.

Aperture: f/4 Shutter Speed: 1/1000 sec Camera: Canon PowerShot S5 IS
Focal Length: 6 mm Flash Mode: No Flash Date Taken: September 22, 2010 at 11:02 AM