to non-Chinese speakers, this video is to sort out the relationship between Yuan-zai and Bao Bao. Since Bao-bao is Tuan-tuan's aunt from his mother's side, so Yuan-zai, as Tuan-tuan's daughter, is Bao-bao's grandchild in the big Giant-panda family tree. Since we Chinese respect a lot your place in the family tree, so Yuan-zai shall address Bao-bao "grand-aunt'" if they meet, regardless that Bao-bao is 48 days younger than Yuan-zai. BTW. Bao-bao means "baby" or "infant" in Chinese. They must know Bao-bao places a big role in the family tree, so it's easier just to address her baby aunt or grand-aunt baby.