People celebrate giant panda twins' first birthday at Berlin Zoo

Giant panda twins Meng Xiang and Meng Yuan (upper) and their mother Meng Meng (lower) are seen at Berlin Zoo in Berlin, capital of Germany, Aug. 31, 2020. The giant panda twins Meng Xiang and Meng Yuan, which were the first-ever twin giant pandas born in Germany, celebrated their first birthday at the zoo on Monday. (Xinhua/Shan Yuqi)