Photo taken on Nov. 30, 2019 shows a view of Wuyi Mountain, southeast China's Fujian Province. Wuyi Mountain was accepted as a cultural and natural heritage protection site by the UNESCO in 1999. (Xinhua/Zhang Guojun)

Tourists visit the Tianyou scenic area of Wuyi Mountain, southeast China's Fujian Province, Dec. 2, 2019. Wuyi Mountain was accepted as a cultural and natural heritage protection site by the UNESCO in 1999. (Xinhua/Zhang Guojun)

Photo taken on Nov. 30, 2019 shows a view of Xingcun Town of Wuyishan City, southeast China's Fujian Province. Wuyi Mountain was accepted as a cultural and natural heritage protection site by the UNESCO in 1999. (Xinhua/Zhang Guojun)

Photo taken on Dec. 2, 2019 shows a winter view of Dawang Peak of Wuyi Mountain, southeast China's Fujian Province. Wuyi Mountain was accepted as a cultural and natural heritage protection site by the UNESCO in 1999. (Xinhua/Zhang Guojun)

Photo taken on Nov. 30, 2019 shows the tea garden in Xingcun Township of Wuyishan City, southeast China's Fujian Province. Wuyi Mountain was accepted as a cultural and natural heritage protection site by the UNESCO in 1999. (Xinhua/Zhang Guojun)

Photo taken on Nov. 17, 2019 shows the sunrise scenery at Qiyun Peak of Wuyi Mountain, southeast China's Fujian Province. Wuyi Mountain was accepted as a cultural and natural heritage protection site by the UNESCO in 1999. (Xinhua/Zhang Guojun)

Egrets fly around a tractor in fields of Xingtian Township in Wuyishan City, southeast China's Fujian Province, July 19, 2019. Wuyi Mountain was accepted as a cultural and natural heritage protection site by the UNESCO in 1999. (Xinhua/Zhang Guojun)

Tourists feed a monkey at the Wuyi Mountain nature reserve in southeast China's Fujian Province, July 20, 2019. Wuyi Mountain was accepted as a cultural and natural heritage protection site by the UNESCO in 1999. (Xinhua/Zhang Guojun)

Tourists take bamboo rafts on the Jiuqu River at Wuyi Mountain scenic area, southeast China's Fujian Province, Aug. 4, 2019. Wuyi Mountain was accepted as a cultural and natural heritage protection site by the UNESCO in 1999. (Xinhua/Zhang Guojun)

Tourists take bamboo rafts on the Jiuqu River at Wuyi Mountain scenic area, southeast China's Fujian Province, Dec. 2, 2019. Wuyi Mountain was accepted as a cultural and natural heritage protection site by the UNESCO in 1999. (Xinhua/Zhang Guojun)

Photo taken on Nov. 17, 2019 shows the sunrise scenery at Qiyun Peak of Wuyi Mountain, southeast China's Fujian Province. Wuyi Mountain was accepted as a cultural and natural heritage protection site by the UNESCO in 1999. (Xinhua/Zhang Guojun)