SHANGHAI, May 31, 2012 (Xinhua) -- A resident throws waste at a waste sorting site in the Yangbo community in the Zhabei District of east China's Shanghai, May 31, 2012. The Yangbo community is one of the pioneers in waste sorting among the communities in Shanghai. Residents of the communities divide wastes into nine categories, including dry, wet, plastic wrap, used clothing, expired drugs. (Xinhua/Pei Xin)