Sewage treatment plant from above. Grey water recycling. Ecology and environment in European Union.W

Frame Rate: 50, Resolution: 1920x1080, Video Encoding: H.264, File Size: 55.67MB, Number of Clips: 1, Total Clip(s) Length: 00:18

Sewage treatment plant from above. Grey water recycling. Ecology and environment in European Union.Waste water management. Sustainability and clean environment.

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