Modern urban wastewater treatment plant.
Palabras clave
modern,
urban,
city,
recycling,
tank,
sludge,
sewage,
purification,
treatment,
industry,
dirty,
water,
environment,
environmental,
plant,
pollution,
pool,
clean,
circle,
storage,
reflections,
view,
purified,
production,
purity,
filtration,
filter,
flow,
industrial,
steel,
sanitary,
factory,
store,
system,
utility,
turbidity,
biology,
round,
reservoir,
removal,
sanitation,
waste,
clear,
construction,
ecology,
engineering
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