![](http://www.alamy.com/thumbs/6/94BCBCCE-5C08-4A29-9C5E-39044E844D6A/2H89FJY.jpg)
Aerial view of wastewater treatment facilities in Asturias, Spain.
Size: 3989px × 2990px
Photo credit: © StockPhotoAstur / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: aerial, asturias, background, circle, construction, dirty, ecology, ecosystem, effluent, environment, environmental, equipment, factory, filtration, industrial, industry, plant, pollution, pool, process, purification, purified, purity, recycle, recycled, recycling, rodiles, sanitary, sedimentation, sewage, sewerage, station, system, tank, technology, treatment, view, villaviciosa, waste, wastewater, water, waterworks