A giant panda eats bamboo leaves at a panda theme park in Huangshan City, east China's Anhui Province, Dec. 20, 2018. Giant pandas "Hualong" and "Huihui" from Sichuan's China Conservation and Research Center for the Giant Panda arrived at Huangshan City on Thursday. They will meet with visitors after 2-4 weeks of adaptive phase. (Xinhua/Shi Guangde)
A giant panda eats bamboo shoots at a panda theme park in Huangshan City, east China's Anhui Province, Dec. 20, 2018. Giant pandas "Hualong" and "Huihui" from Sichuan's China Conservation and Research Center for the Giant Panda arrived at Huangshan City on Thursday. They will meet with visitors after 2-4 weeks of adaptive phase. (Xinhua/Shi Guangde)
A giant panda rests at a panda theme park in Huangshan City, east China's Anhui Province, Dec. 20, 2018. Giant pandas "Hualong" and "Huihui" from Sichuan's China Conservation and Research Center for the Giant Panda arrived at Huangshan City on Thursday. They will meet with visitors after 2-4 weeks of adaptive phase. (Xinhua/Shi Yalei)
Staff members escort giant panda "Huihui" at Huangshan Tunxi International Airport in Huangshan City, east China's Anhui Province, Dec. 20, 2018. Giant pandas "Hualong" and "Huihui" from Sichuan's China Conservation and Research Center for the Giant Panda arrived at Huangshan City on Thursday. They will meet with visitors after 2-4 weeks of adaptive phase. (Xinhua/Shi Yalei)
A giant panda eats bamboo shoots at a panda theme park in Huangshan City, east China's Anhui Province, Dec. 20, 2018. Giant pandas "Hualong" and "Huihui" from Sichuan's China Conservation and Research Center for the Giant Panda arrived at Huangshan City on Thursday. They will meet with visitors after two to four weeks of adaptive phase. (Xinhua/Shi Yalei)
A giant panda eats bamboo leaves at a panda theme park in Huangshan City, east China's Anhui Province, Dec. 20, 2018. Giant pandas "Hualong" and "Huihui" from Sichuan's China Conservation and Research Center for the Giant Panda arrived at Huangshan City on Thursday. They will meet with visitors after two to four weeks of adaptive phase. (Xinhua/Shi Guangde)
A giant panda eats bamboo shoots at a panda theme park in Huangshan City, east China's Anhui Province, Dec. 20, 2018. Giant pandas "Hualong" and "Huihui" from Sichuan's China Conservation and Research Center for the Giant Panda arrived at Huangshan City on Thursday. They will meet with visitors after two to four weeks of adaptive phase. (Xinhua/Shi Guangde)
A giant panda is seen at a panda theme park in Huangshan City, east China's Anhui Province, Dec. 20, 2018. Giant pandas "Hualong" and "Huihui" from Sichuan's China Conservation and Research Center for the Giant Panda arrived at Huangshan City on Thursday. They will meet with visitors after two to four weeks of adaptive phase. (Xinhua/Shi Guangde)
A giant panda eats bamboo leaves at a panda theme park in Huangshan City, east China's Anhui Province, Dec. 20, 2018. Giant pandas "Hualong" and "Huihui" from Sichuan's China Conservation and Research Center for the Giant Panda arrived at Huangshan City on Thursday. They will meet with visitors after two to four weeks of adaptive phase. (Xinhua/Shi Guangde)