Giant panda Gong Gong plays at the Hainan Tropical Wildlife Park and Botanical Garden in Haikou, south China's Hainan Province, Jan. 12, 2021. Giant pandas Gong Gong and Shun Shun are now aged seven. (Xinhua/Zhang Liyun)

Giant panda Gong Gong plays at the Hainan Tropical Wildlife Park and Botanical Garden in Haikou, south China's Hainan Province, Jan. 12, 2021. Giant pandas Gong Gong and Shun Shun are now aged seven. (Xinhua/Zhang Liyun)

Giant panda Gong Gong rests on the tree at the Hainan Tropical Wildlife Park and Botanical Garden in Haikou, south China's Hainan Province, Jan. 12, 2021. Giant pandas Gong Gong and Shun Shun are now aged seven. (Xinhua/Zhang Liyun)

Giant panda Shun Shun has desserts at the Hainan Tropical Wildlife Park and Botanical Garden in Haikou, south China's Hainan Province, Jan. 12, 2021. Giant pandas Gong Gong and Shun Shun are now aged seven. (Xinhua/Zhang Liyun)