Photo 1：Giant panda Kang Kang eats bamboo at the Macao Giant Panda Pavilion in Macao, south China, Feb. 5, 2019. The pavilion offers free admission from Feb. 5 to 10, to celebrate Chinese Lunar New Year. (Xinhua/Cheong Kam Ka)

Photo 2：Tourists visit the Macao Giant Panda Pavilion in Macao, south China, Feb. 5, 2019. The pavilion offers free admission from Feb. 5 to 10, to celebrate Chinese Lunar New Year. (Xinhua/Cheong Kam Ka)

Photo 3：A tourist takes photo of giant panda Kai Kai at the Macao Giant Panda Pavilion in Macao, south China, Feb. 5, 2019. The pavilion offers free admission from Feb. 5 to 10, to celebrate Chinese Lunar New Year. (Xinhua/Cheong Kam Ka)