0:60EARTH & CLIMATE
Hippos are painted on Sahara rock. Six thousand years ago that sand was grassland, lake and river.
The Sahara Was Green When the Pyramids Were New
Hippos are painted on rocks that sit in the driest desert on Earth.
Ice, currents and the long memory of the planet. Why the Sahara was green, how a volcanic winter rearranged a harvest, what the sea floor keeps. Deep time you can see from a car window.
Hippos are painted on Sahara rock. Six thousand years ago that sand was grassland, lake and river.
Hippos are painted on rocks that sit in the driest desert on Earth.