Giant panda Kaikai plays with a ball at the panda pavilion in Seac Pai Van Park in south China's Macao, June 29, 2015. The giant panda pair Kaikai and Xinxin donated by the Chinese central government as gifts to Macao have spent their first month here since they made their official debut on the International Children's Day. (Photo: Xinhua/Cheong Kam Ka)
