QUICK FACTS
Where is it? Guérou, Mauritania [16.930575400, -11.759622605]
What’s in the photo? Three black mesas surrounded by unusual sand dunes in the Sahara Desert
Who took the photo? An unnamed astronaut onboard the International Space Station…
Trio of ‘black mesas’ leftover from Paleozoic era spawn rare sand dunes in the Sahara — Earth from space
