Tibetannet

A model presents a creation during a folk costume show at the 5,200-meter-high base camp of the world's highest peak Qomolangma, in southwest China's Tibet Autonomous Region, Aug. 18, 2018. (Xinhua/Liu Dongjun)

Tibetan wild donkeys are seen at the foot of Mount Kangrinboqe in Ngari Prefecture, southwest China's Tibet Autonomous Region, Sept. 11, 2018. (Xinhua/Purbu Zhaxi)

Photo taken on Jan. 6, 2018 shows red deers in a forest of the nature reserve in Shannan City of southwest China's Tibet Autonomous Region.(Xinhua/Zhang Rufeng)

People enjoy "lingka", meaning leisure time in woods, in the outskirts of Lhasa, capital of southwest China's Tibet Autonomous Region, Aug. 4, 2018. (Xinhua/Liu Jie)

A woman carrying forage grass on her back is seen with her daughter in Dingri County in Xigaze, southwest China's Tibet Autonomous Region, Sept. 13, 2018. (Xinhua/Purbu Zhaxi)

A cyclist rides during a cycling race around the holy lake Mapham Yutso in Pulan County of Ngari Prefecture, southwest China's Tibet Autonomous Region, Sept. 9, 2018. (Xinhua/Purbu Zhaxi)

A woman looks after her child during the break of mowing on a pasture in Damxung County, southwest China's Tibet Autonomous Region, Oct. 2, 2018. (Xinhua/Purbu Zhaxi)

Farmers sort potatoes in Donggar Town of Doilungdeqen County, southwest China's Tibet Autonomous Region, Sept. 5, 2018. (Xinhua/Zhang Rufeng)

A monk is seen during the butter lamps lighting event at the Jokhang Temple in Lhasa, capital of southwest China's Tibet Autonomous Region, Dec. 2, 2018. (Xinhua/Purbu Zhaxi)

Aerial photo taken on March 10, 2018 shows a black-necked crane in Linzhou County, southwest China's Tibet Autonomous Region. (Xinhua/Purbu Zhaxi)

Wild monkeys cling to a car along the Provincial Highway No. 306 at Gyaca County, southwest China's Tibet Autonomous Region, April 23, 2018. (Xinhua/Jigme Dorge)

Aerial photo taken on May 27, 2018 shows the scenery of the Yamdrok Lake in Nagarze County of Shannan City, southwest China's Tibet Autonomous Region. (Xinhua/Jigme Dorge)

Photo taken on Sept. 11, 2018 shows the starry sky in Ngari, southwest China's Tibet Autonomous Region. The Ngari area has an average altitude of over 4,000 meters above sea level. (Xinhua/Purbu Zhaxi)

Photo taken on Sept. 8, 2018 shows sand dunes near the source of the Yarlung Zangbo River in Zhongba County of Xigaze, southwest China's Tibet Autonomous Region. (Xinhua/Purbu Zhaxi)

Aerial photo taken on March 4, 2018 shows a newly-built bridge across the Lhasa River, a tributary of the Yarlung Zangbo River, in southwest China's Tibet Autonomous Region. (Xinhua/Jigme Dorje)

A participant prepares before a cycling race around the holy lake Mapham Yutso in Pulan County of Ngari Prefecture, southwest China's Tibet Autonomous Region, Sept. 9, 2018. (Xinhua/Purbu Zhaxi)

An archer shoots on horseback in an equestrian event in Jiangjiao Village of Lhasa, capital of southwest China's Tibet Autonomous Region, Feb. 25, 2018. (Xinhua/Jigme Dorje)

Aerial photo shows the snow-covered Potala Palace in Lhasa, capital of southwest China's Tibet Autonomous Region, Dec. 19, 2018. (Xinhua/Purbu Zhaxi)

A woman poses for wedding photos at the snow-covered Potala Palace square in Lhasa, capital of southwest China's Tibet Autonomous Region, Dec. 19, 2018. (Xinhua/Chogo)

Tourists walk into the Potala Palace in Lhasa, southwest China's Tibet Autonomous Region, Nov. 15, 2018. (Xinhua/Purbu Zhaxi)

Buddhists and tourists participate in the sacred "sunning of the Buddha" ceremony to mark the start of the annual Shoton festival at the Zhaibung Monastery in Lhasa, capital of southwest China's Tibet Autonomous Region, Aug. 11, 2018. (Xinhua/Purbu Zhaxi)

Photo taken on Nov. 7, 2018 shows a roof decoration of the Potala Palace in Lhasa, capital of southwest China's Tibet Autonomous Region. The golden roofs of the Potala Palace shine in glory after more than 18 months of renovation work. (Xinhua/Purbu Zhaxi)

Rigzin, 49, smiles while grazing a flock of sheep in Rungma Town of Nyima County, southwest China's Tibet Autonomous Region, June 14, 2018. Rigzin and his family are to be relocated to a new home in Lhasa. (Xinhua/Chogo)