ドラマチック
劇的
air
atmosphere
background
blue
business
carbon dioxide
chemical
chimney
city
cityscape
climate change
cloud
color
dirty
ecology
emissions
energy
environment
evening
factory
fog
fumes
gas
harmful
heavy
industrial
industry
landscape
pipe
plant
pollution
power
silhouette
sky
smog
smoke
smokestack
steam
structure
sun
sunset
technology
thermal
threat
tower
toxic
urban
warming