Giant pandas "Hualong" and "Huihui" arrive 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)