英文關鍵字
ancient
asia
asian
background
canyon
capital
city
empty
environment
field
genghis
grass
grassland
green
heritage
hill
historic
history
idyllic
karakorum
khaan
khan
land
landscape
lawn
lush
meadow
medieval
mongolia
mongolian
mountain
national
natural
nature
nobody
orkhon
outdoor
park
pastoral
plain
river
scene
steppe
tranquil
unesco
valley
vast
view
water
world