Was Sahara always so dry?

Was Sahara always so dry?

Today Sahara is large, it is even huge. Bigger than Australia! And I wonder if it’s easier to live in Sahara than in Antarctica. Nevertheless, you can find humans in Sahara, but in Antarctica not. But many time ago Sahara was different than today, and there are some proves for that:in some caves from the Mountains Tassili-Tibesti there are incredible images, comparing with the situation from […]