英文關鍵字
above
aerial
area
arial
boiler
building
business
chemical
chimney
chimneys
city
drone
ecology
factory
industrial
industry
landscape
park
pipe
plant
sky
smog
smoke
smoking
technology
territory
top
tower
view
white
英文關鍵字
above
aerial
area
arial
boiler
building
business
chemical
chimney
chimneys
city
drone
ecology
factory
industrial
industry
landscape
park
pipe
plant
sky
smog
smoke
smoking
technology
territory
top
tower
view
white