smoke stacks in a working factory emitting steam, smog and air pollution.
Palabras clave
chemical,
chimney,
energy,
environment,
factory,
gas,
industrial,
industry,
oil,
plant,
pollution,
power,
production,
smog,
fuel,
crude oil,
refinery,
smoke,
manufacturing,
metal,
pipe,
sky,
technology,
fume,
commerce,
engineering,
equipment,
petrochemical,
smokestack,
air,
tower,
ecology,
global,
smokestack,
steam,
electricity,
toxic,
area,
skyline,
construction,
global warming,
dramatic,
dramatic sky,
emit,
emitting,
environmental conservation