Unseen Sahara

My close friend Alf Seegert sent me this one:

Unseen Sahara
A rare aerial look at Libya's remote Fezzan region, where ancient societies thrived and collapsed as the rains came and went.

http://ngm.nationalgeographic.com/2009/10/fezzan/steinmetz-photography

Russian Bridge

I have no idea what this bridge is called or where exactly it is (somewhere in Russia I'm pretty sure), but apparently you are supposed to pray 3 times before you cross it. I can see why!