A staff member helps the newly-born panda cub defecate at the Chengdu Research Base of Giant Panda Breeding in Chengdu, capital of southwest China's Sichuan Province, June 6, 2019. A captive-bred giant panda gave birth to the first cub of the year in Chengdu, local authorities said Thursday. The female cub, weighing 166.8 grams, was born on Wednesday at the Chengdu Research Base of Giant Panda Breeding, the base said. (Xinhua/Xue Yubin)