英文關鍵字
aerial
view
air
quality
issue
city
pollution
skyline
urban
environment
smog
global
residential
cityscape
dark
skies
dust
cloud
covered
oppressive
polluted
poor
visibility
sky
smoggy
thick
blanket
storm
dustfilled
dusty
atmosphere
environmental
fine
particulate
matter
haze
hazy
weather
health
hazard
risk
heavy
ho
chi
minh
hochiminh
asia
asian
saigon
sai
gon
metropolis
metropolises
morning
vietnam
viet
nam