Qi Zai, the world's only captive brown giant panda, enjoyed some outdoor time after the rain at a science park in Xi'an City, northwest China's Shaanxi Province, last week. After walking around the lush outdoor activity area, Qi Zai did a series of somersaults on the moist grass. Fully refreshed after a bath in a pool, the panda then interacted with chirping birds on a cool afternoon. The science park in Zhouzhi County of Xi'an City was established especially for the protection of four rare wild