英文關鍵字
background
blue
breed
cane
canyon
cliff
conglomerate
day
ecology
environment
flow
foot
geology
gorge
granite
green
illuminated
landmark
landscape
layers
leaves
mountain
national
natural
nature
nobody
place
plant
plants
preserve
reed
reeds
river
rock
rocky
scene
scenery
scenic
sky
stone
stones
stratum
stream
summer
summit
sunlight
sunny
tectonic
terrain
tourism
tranquil
travel
tree
trees
valley
view
water
wildlife
wonder