On April 6, in Chongzuo, Guangxi, a man captured stunning footage of the alpha monkey (monkey king) leaping down steep cliffs to rejoin its troop in the White-Headed Langur Ecotourism Zone.

This story appears in the February 2011 issue of National Geographic magazine. Tucked high in the Qin Ling Mountains of central China, a nimble primate with a peculiar mug has conquered a pitiless ...