@Pavlik 24 November 2021 more from that month

Every 23 thousand years, the Sahara turns from a desert into a dense forest and back again. Scientists say that only 6,000 years ago the Sahara was covered with pastures, grass and trees, but climate change has turned the area into an arid desert. According to the results of the study, such shifts occur approximately every 23 thousand years. #randomthoughts