A troupe of endangered red-shanked douc langurs can be found living near a resort in Sơn Trà Nature Reserve in Đà Nẵng. Booming construction and poor control of mass tourism has threatened the existance of the species and biodiversity in the reserve. — VNS Photo Lê Phước Chín Công Thành
ĐÀ NẴNG — Human activities in the Sơn Trà Nature Reserve had changed the basic instincts of langurs and monkeys, while threatening the primate population with human-to-wildlife transmitted diseases, according to biologist Trần Hữu Vỹ.