One-month-old Siberian tiger quadruplets greet visitors at Yunnan Wild Animal Park during Labor Day holiday

Siberian tiger cubs play at Yunnan Wild Animal Park in Kunming, southwest China's Yunnan Province, May 3, 2022.

Siberian tiger quadruplets play at Yunnan Wild Animal Park in Kunming, southwest China's Yunnan Province, May 3, 2022. 

Siberian tiger cubs rest at Yunnan Wild Animal Park in Kunming, southwest China's Yunnan Province, May 3, 2022.

Large retail companies in Shanghai reopen supermarkets amid recent COVID-19 resurgence People enjoy Labor Day holiday across China