A boat moves past a solar energy water cleaning device located in a lake in Zizhuyuan Park in Beijing, capital of China, Aug. 14, 2009. More than ten such devices were put into use here recently. [Chen Xiaogen/Xinhua]
Solar energy water cleaning devices equipped in Parks of Beijing
Posted: August-25-2009Adjust font size:
Source: Xinhua 2009-08-17Editor: Shen Juan
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