The Sahara Desert used to be a green savannah: Research explains why
Credit: CC0 Public Domain Algeria’s Tassili N’Ajjer plateau is Africa’s largest national park. Among its vast sandstone formations is perhaps the world’s largest art museum. Over 15,000 etchings and paintings are exhibited there, some as much as 11,000 years old according to scientific dating techniques, representing a unique ethnological and climatological record of the region.
Tama Kazmierczak
December 18, 2023