Today, we know that Sahara Desert as a vast sea of sand and salt flats. But up until around 5,000 years ago, this is how it looked.
— Fall of Civilizations Podcast (@Fall_of_Civ_Pod) September 1, 2019
It was a green landscape of Savannahs, lakes and rivers where early humans lived, hunted and fished.
(📷 https://t.co/4dSIryAspu) pic.twitter.com/OohWf9lXrI