blue sky
canyon
color danxia
curve
danxia
danxia landform
danxia longzhou
environment
extreme terrain
geological
geological park
geological wonders
gravel
gully
hill
jingbian wave valley
landforms
lines
mount danxia
mountain valley
natural
natural scenery
red danxia
red sandstone
red stone hilly
rock
sand grains
sands and hilly
sandstone
scenery
spectacular
terrain
texture
the loess plateau
wave shape
wave valley
weathered
white clouds
wonder