Fall of Civilizations Podcast on Twitter: "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. It was a green landscape of Savannahs, lakes and rivers where early humans lived, hunted and fished. (📷 https://t.co/4dSIryAspu)… https://t.co/fj4l6kJx2E"
https://twitter.com/fall_of_civ_pod/status/1168101940758306817
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