Chinese President Xi Jinping (C) waters a sapling together with a pupil at a tree-planting site near a reservoir in Tuancheng Lake in Beijing's northwest, capital of China, April 4, 2014. Xi and other top leaders, including Premier Li Keqiang as well as Zhang Dejiang, Yu Zhengsheng, Liu Yunshan, Wang Qishan and Zhang Gaoli, attended a voluntary tree planting activity on Friday morning. (Xinhua/Li Tao) |