Three baby tigers are seen at Yangzhou Zoo in Yangzhou, east China's Jiangsu Province, Dec. 24, 2020. The tiger triplets from Yangzhou Zoo made their debut here on Thursday. The triplets, two females and one male, were born on Oct. 24 this year. (Photo by Meng Delong/Xinhua)

A baby tiger is seen at Yangzhou Zoo in Yangzhou, east China's Jiangsu Province, Dec. 24, 2020. The tiger triplets from Yangzhou Zoo made their debut here on Thursday. The triplets, two females and one male, were born on Oct. 24 this year. (Photo by Meng Delong/Xinhua)

Three baby tigers are seen at Yangzhou Zoo in Yangzhou, east China's Jiangsu Province, Dec. 24, 2020. The tiger triplets from Yangzhou Zoo made their debut here on Thursday. The triplets, two females and one male, were born on Oct. 24 this year. (Photo by Meng Delong/Xinhua)

Three baby tigers are seen at Yangzhou Zoo in Yangzhou, east China's Jiangsu Province, Dec. 24, 2020. The tiger triplets from Yangzhou Zoo made their debut here on Thursday. The triplets, two females and one male, were born on Oct. 24 this year. (Photo by Meng Delong/Xinhua)