Dear Natalino, sorry for delayed reply. I was wery busy with life! thanks for your kind comments. I had a lot of air travel inside iran and I have a lot of arial photos. about that desert you interested in its name is KAFTAR, the width of desert is about 80km and it finish just by mountains (you can see in the photo) and there are cold water spring... I have passed this desert by walking !!! if you want to see more photos from Iran you can visit following link http://picasaweb.google.com/aatrvash/Iran02/photo?authkey=W HfBV-cDZ2E#s5096647212490134130