Bao Bao, a giant panda born in the United States, ended its one-month quarantine at the Dujiangyan base of the China Conservation and Research Center for the Giant Panda in southwest China's Sichuan Province on Friday after returning to China.

Photo taken on March 24, 2017 shows the giant panda Bao Bao at the Dujiangyan base of the China Conservation and Research Center for the Giant Panda in southwest China's Sichuan Province. Bao Bao, a giant panda born in the United States, ended its one-month quarantine here on Friday after returning to China. (Xinhua/Xue Yubin)

Photo taken on March 24, 2017 shows the giant panda Bao Bao at the Dujiangyan base of the China Conservation and Research Center for the Giant Panda in southwest China's Sichuan Province. Bao Bao, a giant panda born in the United States, ended its one-month quarantine here on Friday after returning to China. (Xinhua/Xue Yubin)

Workers carry the giant panda Bao Bao out of the quarantine area at the Dujiangyan base of the China Conservation and Research Center for the Giant Panda in southwest China's Sichuan Province, March 24, 2017. Bao Bao, a giant panda born in the United States, ended its one-month quarantine here on Friday after returning to China. (Xinhua/Xue Yubin)