Tibetan autonomous region authorities closed Lhasa’s famous Potala Palace on Tuesday as Covid-19 cases were reported in the Himalayan region. China’s tourist hubs are expanding restrictions to stem the spread of the pandemic. Photo: Gongga Laisong/China News Service, VCG

Residents queue for nucleic acid tests Tuesday in Lhasa, Southwest China’s Tibet autonomous region. Photo: VCG

Stores sit closed in Lhasa on Tuesday after the city imposed lockdowns on areas with a “high or medium risk” of Covid-19 infection. From Tuesday to Wednesday afternoon, Tibet confirmed 54 local cases. And the government reported 10 more positive cases in Nyingchi and Shannan on Thursday morning. Photo: VCG

Disease control personnel spray disinfectant in a supermarket Tuesday in Urumqi, Northwest China’s Xinjiang Uygur autonomous region. Xinjiang reported 380 asymptomatic cases on Wednesday. Photo: Liu Xin/China News Service, VCG

Medical personnel give a worker a nucleic acid test at a vineyard in Bazhou, Northwest China’s Xinjiang Uyghur autonomous region. Photo: VCG

Disease control personnel clean out medical waste Wednesday at a Covid-19 testing point in Sanya, South China’s Hainan province. Hainan reported 1,364 local cases that day, of which 1,254 were detected in Sanya. Photo: VCG

The first group of travelers to get stranded in Sanya due to the Covid-19 outbreak check in at Sanya Phoenix International Airport on Tuesday as they head home. Photo: VCG

A duty-free shop in Haikou, the capital of Hainan, is closed on Wednesday as the local government issued a temporary lockdown the same day. Photo: Luo Yunfei/China News Service, VCG