giantpandaphotos: Bai Yun and her son Xiao Liwu play in a tub during Bai Yun’s 22nd birthday at the San Diego Zoo in California, US, on September 7, 2013. © Rita Petita.
giantpandaphotos: Bai Yun and her son Xiao Liwu play in a tub during Bai Yun’s 22nd birthday at the San Diego Zoo in California, US, on September 7, 2013. © Rita Petita.
