The Great Rift Valley
HawkingEarth
2015-09-17
Views 633
The Great Rift Valley stretches 3,500 miles from Ethiopia to Mozambique and is over 35 million years old. It was formed when extreme heat and pressure forced a 1,000 mile-wide bubble of molten lava to the surface. This film reveals how the formation of the Rift Valley forced a crucial evolutionary step for humankind.
Report form
RELATED VIDEOS
