Photo taken on Dec. 18, 2020 shows the panda family members Meng Meng (the mother, Back, right) and her children Meng Xiang (Front) und Meng Yuan play around a Chiristmas tree at Berlin Zoo, Germany. The zoo has prepared a Christmas tree decorated with fruit for the panda family on the Christmas Eve. (Photo provided to China News Service)

Photo taken on Dec. 18, 2020 shows twin pandas Meng Xiang und Meng Yuan play around a Chiristmas tree at Berlin Zoo, Germany. The zoo has prepared a Christmas tree decorated with fruit for the panda family on the Christmas Eve. (Photo provided to China News Service)

Photo taken on Dec. 18, 2020 shows twin pandas Meng Xiang und Meng Yuan play around a Chiristmas tree at Berlin Zoo, Germany. The zoo has prepared a Christmas tree decorated with fruit for the panda family on the Christmas Eve. (Photo provided to China News Service)