Photo taken on Sept. 1, 2016 shows twin panda cubs "Jianjian" (up) and "Kangkang" at a park in Macao, south China. Macao's twin panda cubs were officially named "Jianjian" and "Kangkang" by the government out of 1,718 names recommended by Macao citizens, the special administrative region(SAR)'s civil affair authorities said on Saturday. (Xinhua)