![A veterinarian cleans the teeth of a one-year-old tiger under anesthesia at a zoo in Kunming City, Southwest China’s Yunnan Province, Aug. 9, 2018. (Photo: China News Service/Liu Ranyang)](http://www.ecns.cn/hd/2018/08/10/66baa6d29a614433b872141b7ded343a.jpg)
A veterinarian cleans the teeth of a one-year-old tiger under anesthesia at a zoo in Kunming City, Southwest China’s Yunnan Province, Aug. 9, 2018. (Photo: China News Service/Liu Ranyang)
![A veterinarian cleans the teeth of a one-year-old tiger under anesthesia at a zoo in Kunming City, Southwest China’s Yunnan Province, Aug. 9, 2018. (Photo: China News Service/Liu Ranyang)](http://www.ecns.cn/hd/2018/08/10/f0d4e8dec9894ac7b0cc1d3a860a2e65.jpg)
A veterinarian cleans the teeth of a one-year-old tiger under anesthesia at a zoo in Kunming City, Southwest China’s Yunnan Province, Aug. 9, 2018. (Photo: China News Service/Liu Ranyang)
![A veterinarian cleans the teeth of a one-year-old tiger under anesthesia at a zoo in Kunming City, Southwest China’s Yunnan Province, Aug. 9, 2018. (Photo: China News Service/Liu Ranyang)](http://www.ecns.cn/hd/2018/08/10/9d251622c2f84db8bcb36f0fc3ca7a0e.jpg)
A veterinarian cleans the teeth of a one-year-old tiger under anesthesia at a zoo in Kunming City, Southwest China’s Yunnan Province, Aug. 9, 2018. (Photo: China News Service/Liu Ranyang)
![A veterinarian cleans the teeth of a one-year-old tiger under anesthesia at a zoo in Kunming City, Southwest China’s Yunnan Province, Aug. 9, 2018. (Photo: China News Service/Liu Ranyang)](http://www.ecns.cn/hd/2018/08/10/662cede372ca4e6388aa0e708404b95b.jpg)
A veterinarian cleans the teeth of a one-year-old tiger under anesthesia at a zoo in Kunming City, Southwest China’s Yunnan Province, Aug. 9, 2018. (Photo: China News Service/Liu Ranyang)