Solar energy water cleaning devices equipped in Parks of Beijing
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![Visitors curiously touch a solar energy water cleaning device located in a lake in Zizhuyuan Park in Beijing, capital of China, Aug. 14, 2009. [Chen Xiaogen/Xinhua]](http://images.china.cn/attachement/jpg/site1007/20090817/000cf1a48b7f0bf3029a18.jpg "Visitors curiously touch a solar energy water cleaning device located in a lake in Zizhuyuan Park in Beijing, capital of China, Aug. 14, 2009. [Chen Xiaogen/Xinhua]") |
| Visitors curiously touch a solar energy water cleaning device located in a lake in Zizhuyuan Park in Beijing, capital of China, Aug. 14, 2009. [Chen Xiaogen/Xinhua] |
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