Aerial view of modern industrial sewage treatment plant at sunset.
Keywords
sewage,
water,
industrial,
waste,
pollution,
ecology,
tank,
plant,
sludge,
environment,
factory,
treatment,
purification,
dirty,
recycling,
environmental,
industry,
sewer,
purity,
round,
reusing,
storage,
clean,
technology,
filtration,
system,
reservoir,
facility,
flow,
circle,
recycled,
separation,
purified,
conservation,
pool,
construction,
sanitary,
urban,
ecosystem,
aerial,
sewerage,
liquid,
biology,
station