英文關鍵字
aerial
background
bus
china
chinese
colorful
curve
curvy
danxia
diagonal
drone
environment
flying
gansu
geological
geology
geopark
landmark
landscape
layers
lines
minerals
mountains
natural
nature
observation
orange
park
path
province
rainbow
red
road
sandy
scenery
sightseeing
stone
striped
strips
stripy
sunan
texture
top
tourism
trail
travel
valley
view
yellow
zhangye