Performers stage a folk dance during a performance to mark Tibet`s Serfs` Emancipation Day in Lhasa, southwest China`s Tibet Autonomous Region, March 28, 2018. Wednesday marks the 59th anniversary of the emancipation of Tibetan serfs. (Xinhua/Jigme Dorgi)

Farmers make live broadcasts of a spring ploughing ceremony in a village in Nedong District of Shannan, southwest China`s Tibet Autonomous Region, March 17, 2018. Traditional spring ploughing ceremonies took place in Tibet`s major cultivation areas on March 17, 2018 to pray for a year with good harvests. (Xinhua/Chogo)

Farmers present a well-wishing `Qiema box`, filled with mixed foodstuff, to a pair of yaks during a spring ploughing ceremony in Kere Village of Bomtoi Township, Lhasa, southwest China`s Tibet Autonomous Region, March 17, 2018. Traditional spring ploughing ceremonies took place in Tibet`s major cultivation areas on March 17, 2018 to pray for a year with good harvests. (Xinhua/Jigme Dorgi)

People attend a religious service at the Qoide Monastery in Gonggar County of Shannan Prefecture, southwest China`s Tibet Autonomous Region, March 2, 2018. (Xinhua/Purbu Zhaxi)

A player shoots an arrow on horseback in an equestrian event in Jiangjiao Village of Lhasa, capital of southwest China`s Tibet Autonomous Region, Feb. 25, 2018. (Xinhua/Chogo)

A female pilgrim prepares to enter the Jokhang Temple in Lhasa, capital of southwest China`s Tibet Autonomous Region, Jan. 26, 2018. Many pilgrims came to Lhasa to pray for harvests and prosperity ahead of the Tibetan New Year. (Xinhua/Chogo)

A man throws prayer flags in the air in Xigaze, southwest China`s Tibet Autonomous Region, Jan. 19, 2018. Local people of Tibetan ethnic group have replaced prayer flags by new ones on the mountain and houses to celebrate New Year under the Tibetan calendar. (Xinhua/Jigme Dorge)

Villagers dance to celebrate farmers` New Year in Chusong Village of Nyarixung Township in Xigaze City, southwest China`s Tibet Autonomous Region, Jan. 17, 2018. In Xigaze and other farming regions of Tibet, people celebrate New Year on the 1st day of the twelfth month of the Tibetan lunar calendar. According to local farming tradition, spring ploughing season always begins as the fall of New Year, thus celebrating one month earlier is to meet the needs of local agriculture. (Xinhua/Jigme Dorje)

An elder child reads stories to younger boys at the dormitory of an orphanage in southwest China`s Tibet Autonomous Region, Dec. 24, 2017. By the end of 2017, the region has established 11 orphanages with 5,711 orphans being adopted. (Xinhua/Jigme Dorje)

Brightly costumed women pose for pictures to celebrate the Fairy`s Day in front of the Jokhang Temple in Lhasa, capital of southwest China`s Tibet Autonomous Region, Dec. 3, 2017. The Fairy`s Day falls on the 15th day of the 10th month of the Tibetan calendar. On that day, Tibetans celebrate the day to commemorate Buddha Aleanterre Brahm. (Xinhua/Liu Dongjun)

An artist makes Tangka painting in a Tangka shop near Porgor Street of Lhasa, capital of southwest China`s Tibet Autonomous Region, Nov. 29, 2017. Tangka, a style of Tibetan art that involves painting on embroidery, has been liked by tourists thanks to a thriving development of tourism in Tibet region, where over 2,000 Tangka artists can create about 1,000 pieces of Tangka paintings every year. (Xinhua/Jigme Dorje)