00:00Imagine the world's largest hot desert, once covered in green forests, giant lakes, and roaming wildlife.
00:09Sounds impossible, right? But thousands of years ago, the Sahara looked completely different.
00:16Around 11,000 years ago, this enormous desert was filled with lush grasslands, flowing rivers, and massive lakes.
00:24Elephants roamed freely.
00:27Hippos swam in the water. Birds filled the skies.
00:33The Sahara was once a thriving green paradise, a world of lush grasslands, sparkling lakes, and abundant wildlife.
00:42But what turned this beautiful green paradise into the world's largest hot desert?
