英文關鍵字
aerialvideo
air
airpollution
ancient
architecture
awe
beijing
brick
china
chineseculture
crowds
cultures
distant
famousplace
feature
fort
great
hill
history
internationallandmark
landscapescenery
mountain
much
nature
north
obscured
old
pollution
scenicnature
sky
stonematerial
surroundingwall
tourists
tower
travel
traveldestinations
unescoworldheritagesite
view
visit
wall
wallbuilding