The 35-year-old giant panda Basi takes a rest after having a meal at a giant panda research center in Fuzhou, capital of southeast China's Fujian Province, May 21, 2015. Basi, the equivalent of over 100 years in human age, is the oldest living giant panda in Chinese mainland. (Xinhua/Jiang Kehong)
Breeder Shi Feining strokes the 35-year-old giant panda Basi after feeding a meal at a giant panda research center in Fuzhou, capital of southeast China's Fujian Province, May 21, 2015. Basi, the equivalent of over 100 years in human age, is the oldest living giant panda in Chinese mainland. (Xinhua/Jiang Kehong)
Breeder Shi Feining feeds the 35-year-old giant panda Basi at a giant panda research center in Fuzhou, capital of southeast China's Fujian Province, May 21, 2015. Basi, the equivalent of over 100 years in human age, is the oldest living giant panda in Chinese mainland. (Xinhua/Jiang Kehong)
Guests pose for a photo at an activity celebrating the 35th birthday for giant panda Basi at a giant panda research center in Fuzhou, capital of southeast China's Fujian Province, May 21, 2015. Basi, the equivalent of over 100 years in human age, is the oldest living giant panda in Chinese mainland. (Xinhua/Jiang Kehong)
The 35-year-old giant panda Basi has a meal at a giant panda research center in Fuzhou, capital of southeast China's Fujian Province, May 21, 2015. Basi, the equivalent of over 100 years in human age, is the oldest living giant panda in Chinese mainland. (Xinhua/Jiang Kehong)
Photo taken on May21, 2015 shows a donation box outside a giant panda research center where 35-year-old panda Basi lives in Fuzhou, capital of southeast China's Fujian Province. Basi, the equivalent of over 100 years in human age, is the oldest living giant panda in Chinese mainland. (Xinhua/Jiang Kehong)