英文關鍵字
dusk
sky
technology
plant
chimney
tower
sunset
industry
greenhouse
environment
dirty
economy
development
manufacturing
chemistry
gas
refinery
pollution
factory
contamination
chemical
steam
recycling
production
line
fumes
petrochemical
plastic
social
issues
people
business
finance
backgrounds
science
pvc
fuel
power
generation
equipment
supply
silhouette
danger
wire
bronze
colored
material
outdoors
sun's
rays
scattered
clouds
sea
crepuscular
view
shimen
district
taipei
city
taiwan