
9,000 years ago, parts of the Sahara were actually very wet…
See the whole series:
http://www.boston.com/bigpicture/2008/12/green_sahara.html
9,000 years ago, parts of the Sahara were actually very wet…
See the whole series:
http://www.boston.com/bigpicture/2008/12/green_sahara.html