A Huangshan stump-tailed macaque is seen on Huangshan mountain, east China's Anhui Province on May 20, 2024. Huangshan Stump-tailed Macaque (Macaca thibetana huangshanensis), a species unique to Huangshan area of China, often showing up in groups in dense forests and canyons, climbing branches and cliffs with ease, is under China's second-class national protection. (Xinhua/Shi Yalei)