It is 1,000 ... The desert extends from the Pamirs Mountains to the Greater Khingan Mountains. Much of the Gobi is not sandy, instead resembling exposed bare rock with some lakes.

Desert Rub’ Al-Khali Is the Largest “Sand Sea” in the World, but It Was a 138-Foot-Deep Thriving Lake 8,000 Years Ago Earth has gone through a multitude of changes. Tectonic plates and ...

EARTH'S greatest hot desert was once "rich in water and life". The remains of thousands of fish have been uncovered in the hot and arid Sahara Desert, dating back just a few thousand years.