aerial view of sewage treatment plant
Palabras clave
aerial,
air,
aircraft,
aeroplane,
biology,
biomass,
bird,
circle,
cleaning,
construction,
dirty,
ecology,
environment,
europa,
eye,
facility,
factory,
flight,
flow,
fly,
garbage,
industrial,
industry,
land,
plane,
plant,
poland,
processing,
purification,
purified,
purity,
reusing,
recycling,
removal,
road,
sewage,
sky,
sludge,
smell,
steel,
tank,
treatment,
tree,
unpleasant,
urban,
view,
waste,
water
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