In Turkmenistan, the Karakum Desert, archaeologists in the 70-ies of XX century. discovered the remains of an ancient civilization, 3 thousand BC. This Margiana (Margush) — the same age as Sumer, Akkad, Elam, Harappa. Expeditions in the Karakum identified a number of settlements (Gonur Depe), stretched along the ancient trade route. Oasis is a civilization, so named because of its large centers took trade caravans traveled through the ancient world.
Watch Secrets of the Karakum desert — d / f 2004