A vertical photo of a smoking chimney against a blue sky.
Schlüsselwörter
chimney,
pipe,
tower,
tall,
pollution,
sky,
blue,
red,
white,
coming,
smoke,
clear,
industry,
factory,
power,
energy,
environment,
technology,
steam,
ecology,
smog,
climate,
air,
toxic,
atmosphere,
plant,
gas,
fuel,
environmental,
warming,
chemical,
station,
global,
building,
contamination,
manufacturing,
high,
fume,
cloud,
exhaust,
refinery,
dirty,
construction,
dioxide,
heat,
stack,
coal,
nature,
damage
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