Photo taken on Jan. 31, 2019 shows two giant panda cubs at the Shenshuping base of China Conservation and Research Center for Giant Pandas in Wolong, southwest China's Sichuan Province. Giant pandas born here in 2018 made a group appearance on Thursday to greet the upcoming Spring Festival, which falls on Feb. 5 this year. (Xinhua/Xue Yubin)
Photo taken on Jan. 31, 2019 shows a giant panda cub at the Shenshuping base of China Conservation and Research Center for Giant Pandas in Wolong, southwest China's Sichuan Province. Giant pandas born here in 2018 made a group appearance on Thursday to greet the upcoming Spring Festival, which falls on Feb. 5 this year. (Xinhua/Xue Yubin)
Photo taken on Jan. 31, 2019 shows a giant panda cub at the Shenshuping base of China Conservation and Research Center for Giant Pandas in Wolong, southwest China's Sichuan Province. Giant pandas born here in 2018 made a group appearance on Thursday to greet the upcoming Spring Festival, which falls on Feb. 5 this year. (Xinhua/Xue Yubin)
Photo taken on Jan. 31, 2019 shows a giant panda cub at the Shenshuping base of China Conservation and Research Center for Giant Pandas in Wolong, southwest China's Sichuan Province. Giant pandas born here in 2018 made a group appearance on Thursday to greet the upcoming Spring Festival, which falls on Feb. 5 this year. (Xinhua/Xue Yubin)
Photo taken on Jan. 31, 2019 shows a giant panda cub at the Shenshuping base of China Conservation and Research Center for Giant Pandas in Wolong, southwest China's Sichuan Province. Giant pandas born here in 2018 made a group appearance on Thursday to greet the upcoming Spring Festival, which falls on Feb. 5 this year. (Xinhua/Xue Yubin)
Photo taken on Jan. 31, 2019 shows giant panda cubs at the Shenshuping base of China Conservation and Research Center for Giant Pandas in Wolong, southwest China's Sichuan Province. Giant pandas born here in 2018 made a group appearance on Thursday to greet the upcoming Spring Festival, which falls on Feb. 5 this year. (Xinhua/Xue Yubin)
Photo taken on Jan. 31, 2019 shows giant panda cubs at the Shenshuping base of China Conservation and Research Center for Giant Pandas in Wolong, southwest China's Sichuan Province. Giant pandas born here in 2018 made a group appearance on Thursday to greet the upcoming Spring Festival, which falls on Feb. 5 this year. (Xinhua/Xue Yubin)