Sahara
S2, E4: Astonishing geological discoveries reveal that the Sahara Desert had a dramatically different past that altered the course of human history and culminated in the biggest climate change event of the last 10,000 years.

S2, E4: Astonishing geological discoveries reveal that the Sahara Desert had a dramatically different past that altered the course of human history and culminated in the biggest climate change event of the last 10,000 years.