In early 2013, National Geographic Explorer Paul Salopek began an epic walk, following the path of the first human migration out of Africa about 60,000 years ago. Host Marco Werman speaks with Salopek, who’s now two-thirds of the way along his global journey. Today he talks about his first steps at the beginning of the walk, in the Great Rift Valley in Ethiopia.

This story originally aired on Feb. 8, 2024.