Nyungwe National Park home to East Africa's most diverse primate population

A L'Hoest's monkey is seen on a tree in Nyungwe National Park, Rwanda, on Oct. 20, 2017. Nyungwe National Park, which has Africa's largest protected mountain rainforest, hosts 13 species of primates and is home to East Africa's most diverse primate population, according to Rwanda Development Board. (Xinhua/Lyu Tianran)