People take part in a pillow fight in east China's Shanghai, March 5, 2011. Over 1,000 people participated in a flash mob pillow fight held to release pressure and have fun.(Xinhua/Pei Xin)
People take part in a pillow fight in east China's Shanghai, March 5, 2011. Over 1,000 people participated in a flash mob pillow fight held to release pressure and have fun. (Xinhua/Pei Xin)
People take part in a pillow fight in east China's Shanghai, March 5, 2011. Over 1,000 people participated in a flash mob pillow fight held to release pressure and have fun. (Xinhua/Pei Xin)
