Giant panda Gong Gong picks a corncob at the Hainan Tropical Wildlife Park and Botanical Garden in Haikou, south China's Hainan Province, Dec. 31, 2019. On the last day of 2019, staff of the garden specially prepared sticks of fruits and vegetables for giant pandas Gong Gong and Shun Shun. (Xinhua/Yang Guanyu)