Ключевые слова: animal, ape, asia, black, cage, chordata, closeup, concept, douc, douc langur, endangered, environment, extinction, eye, face, forest, free, freedom, fur, hair, jail, jungle, langur, life, look, mammal, monkey, nature, nemaeus, orange, pets, portrait, primate, prison, prisoner, pygathrix, pygathrix nemaeus, rainforest, rare, redshanked, sad, safari, thailand, travel, tree, tropical, vietnam, wild, wildlife, zoo,