Children pose for pictures against the background of giant panda Xinxin at the panda pavilion in Seac Pai Van Park in south China's Macao, July 5, 2015. Xinxin, one of the giant panda pair Kaikai and Xinxin donated by the Chinese central government as gifts to Macao, celebrated her eighth birthday here on Sunday. (Photo: Xinhua/Cheong Kam Ka)
