Giant pandas Chengjiu and Shuanghao eat bamboo at the Hangzhou Zoo in Hangzhou, capital of east China's Zhejiang Province, July 14, 2017. The zoo prepared a cake and fresh bamboo leaves celebrating the 3rd birth anniversary of giant pandas Chengjiu and Shuanghao, who were born in July, 2014 in Sichuan. (Xinhua/Zhang Cheng)