英文關鍵字
chimney
chp
factory
pollution
power
energy
industrial
steam
ecology
sky
environment
atmosphere
electricity
tube
city
cloud
contamination
russia
co2
ozone
timelapse
buildings
trees
vertical
英文關鍵字
chimney
chp
factory
pollution
power
energy
industrial
steam
ecology
sky
environment
atmosphere
electricity
tube
city
cloud
contamination
russia
co2
ozone
timelapse
buildings
trees
vertical