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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 10:46, 17 May 2010 | 3,456 × 2,304 (4.05 MB) | File Upload Bot (Magnus Manske) | {{Information |Description=This is an experimental waste water treatment project. Solar power draws polluted water from the Don River and filters it through a biomass and returns purified water to the river. This systen is now being used in a long term t |
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