air pollution
back lit
building exterior
built structure
business
cloud
coal
color image
cooling tower
copy space
dusk
electricity
electricity pylon
electricity substation
energy
factory
fossil fuel
fuel and power generation
fumes
global warming
high voltage transformer
horizontal
image
industrial building
industrial equipment
industry
mid distance
night
night life
nobody
outdoors
pipe
place of work
pollution
power
power line
power station
saturated color
sky
smoke
smoke stack
steam
tall
technology
transformer
urban scene
wire