A staff member feeds a giant panda cub at Chengdu Research Base of Giant Panda Breeding in southwest China's Sichuan Province, July 2, 2018. Panda Qing He gave birth to male-female panda twins Monday morning. The female cub weighed 117.2 grams and was born at 7:53 a.m., with the male cub following 23 minutes later, weighing 140.8 grams. (Xinhua)