电影 · 2017 · 美国 · 记录片 

弗莱德·福吉 / Nadine Adams / Jason Barnard / Fred Bobbitt / Lee-Shane Booysen / Danica Carelse / Jacobus Claassen / Amir Gelgor / Nieke Lombard / Dimitri Louw / Octavia Meissenheimer / Adrienne Pearce / Ashley Robinson / Daniel Robinson / 斯文·鲁格洛克 / Richard September / 

　　Which of the great primates of 25 million years ago is our common ancestor? Is it pierolapithecus?