Winter Solstice, with the longest night of the year, falls on Dec. 21 this year. Though being in winter, residents' enthusiasm for night life still stay high as local authorities have sped up efforts to boost its night economy in Urumqi under prevention and control measures for COVID-19 pandemic.

People play basketball at the Urumqi Olympic Sports Center in Urumqi, capital of northwest China's Xinjiang Uygur Autonomous Region, at 10: 24 p.m. Dec. 21, 2021.(Xinhua/Ma Kai)

A citizen looks at books at a book store in Urumqi, capital of northwest China's Xinjiang Uygur Autonomous Region, at 7:31 p.m. Dec. 21, 2021.(Xinhua/Ma Kai)

A girl has fun with birds at an amusement park in Urumqi, capital of northwest China's Xinjiang Uygur Autonomous Region, at 7:20 p.m. Dec. 21, 2021. (Xinhua/Ma Kai)

People ski at a resort in Urumqi, capital of northwest China's Xinjiang Uygur Autonomous Region, at 10: 14 p.m. Dec. 21, 2021. (Photo by Liu Xiaohang/Xinhua)

A child holds a stick of sugar-coated haw at the Grand Bazaar in Urumqi, capital of northwest China's Xinjiang Uygur Autonomous Region, at 11:46 p.m. Dec. 21, 2021.(Xinhua/Ma Kai)

Students buy snacks at a vendor in Urumqi, capital of northwest China's Xinjiang Uygur Autonomous Region, at 8:19 p.m. Dec. 21, 2021.(Xinhua/Ma Kai)

A staff member from an electric power company works in Urumqi, capital of northwest China's Xinjiang Uygur Autonomous Region, at 4:21 a.m. Dec. 22, 2021.(Xinhua/Ma Kai)

Staff members of a community look on as Wang Guolan (R), who lives alone, eats dumplings that is brought by the staff members of the community in Urumqi, capital of northwest China's Xinjiang Uygur Autonomous Region, at 8:51 p.m. Dec. 21, 2021. (Xinhua/Ma Kai)

Sanitation workers have dumplings at a sanitation station in Urumqi, capital of northwest China's Xinjiang Uygur Autonomous Region, at 9: 27 p.m. Dec. 21, 2021. (Xinhua/Ma Kai)

A visitor buys handicraft at the Grand Bazaar in Urumqi, capital of northwest China's Xinjiang Uygur Autonomous Region, at 11:07 p.m. Dec. 21, 2021. (Xinhua/Ma Kai)

A delivery man rides on a road in Urumqi, capital of northwest China's Xinjiang Uygur Autonomous Region, at 2:00 a.m. Dec. 22, 2021. (Xinhua/Ma Kai)

A resident buys dumplings at a supermarket in Urumqi, capital of northwest China's Xinjiang Uygur Autonomous Region, at 7:52 p.m. Dec. 21, 2021.(Xinhua/Ma Kai)

A police officer stands in guard in Urumqi, capital of northwest China's Xinjiang Uygur Autonomous Region, at 8:11 p.m. Dec. 21, 2021. (Xinhua/Ma Kai)

A staff member of a barbeque shop serves cooked kabobs for customers in Urumqi, capital of northwest China's Xinjiang Uygur Autonomous Region, at 2:06 a.m. Dec. 22, 2021.(Xinhua/Ma Kai)