City air pollution
Palabras clave
pollution,
smoke,
smog,
air,
environment,
landscape,
downtown,
skyline,
dirty,
tower,
business,
urban,
sky,
architecture,
building,
city,
city landscape,
view,
factory,
gas,
global,
skyscraper,
steam,
warming,
energy,
industrial,
toxic,
industry,
light,
polluted,
cloud,
contamination,
background,
travel,
america,
american,
atmosphere,
california,
chemical,
climate,
cloudy,
control,
dawn,
dioxide,
dirt,
district,
dusk,
dust
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