alternative energy
background
chimney
city
climate
cloud
cold
dusk
eco
ecological
ecology
energy
environment
environmental
factory
frozen
generation
geothermal
global
heating
industry
innovation
lake
landscape
nature
outdoor
plant
pollution
power
power plant
region
river
sky
smoke
snow
social issues
station
steam
surface
system
technology
temperature
thermal
thermal power station
twilight
urban
warmth
water
winter
定額
Smoking chimneys of thermal power plants near the waterfront in city. Winter. Industrial and nature background. Ecological concepts.の素材 [FY310178845722]
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