Photo taken on Dec. 27, 2019 shows wild macaques at the Small Three Gorges scenic area in Wushan County, southwest China's Chongqing Municipality. Located in the upper reaches of the Yangtze River, the Three Gorges Reservoir area is an important ecological function zone and reservoir of freshwater resources in China. In the past two years, the Chongqing municipal government has strengthened ecological and environmental protection of the reservoir area and explored solutions of green growth. A series of environment-friendly projects have brought both ecological and economic benefits to local people. Photo:Xinhua

Photo taken on Dec. 27, 2019 shows wild macaques at the Small Three Gorges scenic area in Wushan County, southwest China's Chongqing Municipality. Located in the upper reaches of the Yangtze River, the Three Gorges Reservoir area is an important ecological function zone and reservoir of freshwater resources in China. In the past two years, the Chongqing municipal government has strengthened ecological and environmental protection of the reservoir area and explored solutions of green growth. A series of environment-friendly projects have brought both ecological and economic benefits to local people. Photo:Xinhua

A villager picks navel oranges at Huanglian Village in Fengjie County, southwest China's Chongqing Municipality, Feb. 13, 2019. Located in the upper reaches of the Yangtze River, the Three Gorges Reservoir area is an important ecological function zone and reservoir of freshwater resources in China. In the past two years, the Chongqing municipal government has strengthened ecological and environmental protection of the reservoir area and explored solutions of green growth. A series of environment-friendly projects have brought both ecological and economic benefits to local people. Photo:Xinhua

Aerial photo taken on Nov. 23, 2019 shows tourists visiting the Wenfeng Scenic Area in the Wuxia Gorge, one of the Three Gorges on the Yangtze River, in Wushan County, southwest China's Chongqing Municipality. Located in the upper reaches of the Yangtze River, the Three Gorges Reservoir area is an important ecological function zone and reservoir of freshwater resources in China. In the past two years, the Chongqing municipal government has strengthened ecological and environmental protection of the reservoir area and explored solutions of green growth. A series of environment-friendly projects have brought both ecological and economic benefits to local people. Photo:Xinhua

Photo taken on Dec. 27, 2019 shows the scenery of Qutang Gorge, one of the Three Gorges on the Yangtze River, in southwest China's Chongqing Municipality. Located in the upper reaches of the Yangtze River, the Three Gorges Reservoir area is an important ecological function zone and reservoir of freshwater resources in China. In the past two years, the Chongqing municipal government has strengthened ecological and environmental protection of the reservoir area and explored solutions of green growth. A series of environment-friendly projects have brought both ecological and economic benefits to local people. Photo:Xinhua

Tourists take photos at the Yunyang Longgang Geological Park in Chongqing, southwest China, July 30, 2019. Located in the upper reaches of the Yangtze River, the Three Gorges Reservoir area is an important ecological function zone and reservoir of freshwater resources in China. In the past two years, the Chongqing municipal government has strengthened ecological and environmental protection of the reservoir area and explored solutions of green growth. A series of environment-friendly projects have brought both ecological and economic benefits to local people. Photo:Xinhua