A city skyline with a foggy sky and a sunset in the background
Palabras clave
industrial,
factory,
pollution,
chimney,
smoke,
pipe,
energy,
technology,
gas,
power,
environment,
tower,
sky,
plant,
refinery,
production,
chemical,
manufacturing,
global,
air,
business,
steam,
oil,
ecology,
sunset,
heavy,
fuel,
background,
building,
dusk,
petrochemical,
blue,
chemistry,
night,
engineering,
crude oil,
pipeline,
landscape,
construction,
metal,
smog,
warming,
environmental,
city,
light,
nature,
equipment,
sunrise,
evening
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