Giant panda Fu Ban (L) and its mother Yang Yang are seen with gift packages at the Schonbrunn Zoo in Vienna, Austria, on Aug. 7, 2018. The twin pandas Fu Feng and Fu Ban celebrated their second birthday party with their mother on Tuesday by receiving birthday gifts, packages of potatoes, carrots and special bamboo shoots. (Xinhua/Liu Xiang)
Giant panda Fu Ban (L) and its mother Yang Yang are seen with gift packages at the Schonbrunn Zoo in Vienna, Austria, on Aug. 7, 2018. The twin pandas Fu Feng and Fu Ban celebrated their second birthday party with their mother on Tuesday by receiving birthday gifts, packages of potatoes, carrots and special bamboo shoots. (Xinhua/Liu Xiang)
Giant panda Fu Ban (L) and its mother Yang Yang are seen with gift packages at the Schonbrunn Zoo in Vienna, Austria, on Aug. 7, 2018. The twin pandas Fu Feng and Fu Ban celebrated their second birthday party with their mother on Tuesday by receiving birthday gifts, packages of potatoes, carrots and special bamboo shoots. (Xinhua/Liu Xiang)
Giant panda Fu Ban (Rear) and its mother Yang Yang are seen with gift packages at the Schonbrunn Zoo in Vienna, Austria, on Aug. 7, 2018. The twin pandas Fu Feng and Fu Ban celebrated their second birthday party with their mother on Tuesday by receiving birthday gifts, packages of potatoes, carrots and special bamboo shoots. (Xinhua/Liu Xiang)