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

　　Siberian tiger quadruplets play at Yunnan Wild Animal Park in Kunming, southwest China's Yunnan Province, May 3, 2022. The one-month-old Siberian tiger quadruplets greet visitors at Yunnan Wild Animal Park during the Labor Day holiday. (Xinhua/Jiang Wenyao)

　　Siberian tiger cubs play at Yunnan Wild Animal Park in Kunming, southwest China's Yunnan Province, May 3, 2022. The one-month-old Siberian tiger quadruplets greet visitors at Yunnan Wild Animal Park during the Labor Day holiday. (Xinhua/Jiang Wenyao)

　　Siberian tiger quadruplets play at Yunnan Wild Animal Park in Kunming, southwest China's Yunnan Province, May 3, 2022. The one-month-old Siberian tiger quadruplets greet visitors at Yunnan Wild Animal Park during the Labor Day holiday. (Xinhua/Jiang Wenyao)

　　Siberian tiger cubs rest at Yunnan Wild Animal Park in Kunming, southwest China's Yunnan Province, May 3, 2022. The one-month-old Siberian tiger quadruplets greet visitors at Yunnan Wild Animal Park during the Labor Day holiday. (Xinhua/Jiang Wenyao)

　　Siberian tiger quadruplets play at Yunnan Wild Animal Park in Kunming, southwest China's Yunnan Province, May 3, 2022. The one-month-old Siberian tiger quadruplets greet visitors at Yunnan Wild Animal Park during the Labor Day holiday. (Xinhua/Jiang Wenyao)

　　Siberian tiger quadruplets play at Yunnan Wild Animal Park in Kunming, southwest China's Yunnan Province, May 3, 2022. The one-month-old Siberian tiger quadruplets greet visitors at Yunnan Wild Animal Park during the Labor Day holiday. (Xinhua/Jiang Wenyao)

　　Siberian tiger cubs play at Yunnan Wild Animal Park in Kunming, southwest China's Yunnan Province, May 3, 2022. The one-month-old Siberian tiger quadruplets greet visitors at Yunnan Wild Animal Park during the Labor Day holiday. (Xinhua/Jiang Wenyao)

　　A Siberian tiger cub plays at Yunnan Wild Animal Park in Kunming, southwest China's Yunnan Province, May 3, 2022. The one-month-old Siberian tiger quadruplets greet visitors at Yunnan Wild Animal Park during the Labor Day holiday. (Xinhua/Jiang Wenyao)