Photo taken on Dec. 27, 2019 shows wild macaques at the Small Three Gorges scenic area in Wushan County, southwest China's Chongqing Municipality. The ecological environment of the scenic area keeps improving in recent years, and more and more macaques have been attracted here. (Xinhua/Wang Quanchao)

Photo taken on Dec. 27, 2019 shows a wild macaque at the Small Three Gorges scenic area in Wushan County, southwest China's Chongqing Municipality. The ecological environment of the scenic area keeps improving in recent years, and more and more macaques have been attracted here. (Xinhua/Wang Quanchao)

Photo taken on Dec. 27, 2019 shows wild macaques at the Small Three Gorges scenic area in Wushan County, southwest China's Chongqing Municipality. The ecological environment of the scenic area keeps improving in recent years, and more and more macaques have been attracted here. (Xinhua/Wang Quanchao)

Photo taken on Dec. 27, 2019 shows a wild macaque at the Small Three Gorges scenic area in Wushan County, southwest China's Chongqing Municipality. The ecological environment of the scenic area keeps improving in recent years, and more and more macaques have been attracted here. (Xinhua/Wang Quanchao)

Photo taken on Dec. 27, 2019 shows a wild macaque at the Small Three Gorges scenic area in Wushan County, southwest China's Chongqing Municipality. The ecological environment of the scenic area keeps improving in recent years, and more and more macaques have been attracted here. (Xinhua/Wang Quanchao)

Photo taken on Dec. 27, 2019 shows wild macaques at the Small Three Gorges scenic area in Wushan County, southwest China's Chongqing Municipality. The ecological environment of the scenic area keeps improving in recent years, and more and more macaques have been attracted here. (Xinhua/Wang Quanchao)

Photo taken on Dec. 27, 2019 shows wild macaques at the Small Three Gorges scenic area in Wushan County, southwest China's Chongqing Municipality. The ecological environment of the scenic area keeps improving in recent years, and more and more macaques have been attracted here. (Xinhua/Wang Quanchao)

Photo taken on Dec. 27, 2019 shows wild macaques at the Small Three Gorges scenic area in Wushan County, southwest China's Chongqing Municipality. The ecological environment of the scenic area keeps improving in recent years, and more and more macaques have been attracted here. (Xinhua/Wang Quanchao)

Photo taken on Dec. 27, 2019 shows a wild macaque at the Small Three Gorges scenic area in Wushan County, southwest China's Chongqing Municipality. The ecological environment of the scenic area keeps improving in recent years, and more and more macaques have been attracted here. (Xinhua/Wang Quanchao)