The Sahara desert is made of only 15% sand and sand dunes. Majority of the Sahara and other deserts is rock, rocky plateaus, and gravel covered plains. The sand is just a result of the wind eroding the rock. – WTF Fun Facts
Source: https://www.livescience.com/23140-sahara-desert.html
rocks
japans chinsekikan museum of rocks that look
Japan’s Chinsekikan, museum of rocks that look like people – WTF fun fact
that roberts the man that had sex on moon rocks
That Roberts, the man that had sex on moon rocks – WTF fun facts