Solar energy water cleaning devices equipped in Parks of Beijing
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![A boat moves past a solar energy water cleaning device in a lake in Zizhuyuan Park in Beijing, capital of China, Aug. 14, 2009. [Chen Xiaogen/Xinhua]](http://images.china.cn/attachement/jpg/site1007/20090817/000cf1a48b7f0bf303311b.jpg "A boat moves past a solar energy water cleaning device in a lake in Zizhuyuan Park in Beijing, capital of China, Aug. 14, 2009. [Chen Xiaogen/Xinhua]") |
| A boat moves past a solar energy water cleaning device in a lake in Zizhuyuan Park in Beijing, capital of China, Aug. 14, 2009. [Chen Xiaogen/Xinhua] |
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