英文關鍵字
architecture
background
beautiful
blue
building
bushes
cement
channel
clear
cliff
concrete
dam
day
down
environment
green
hill
holiday
lake
landscape
natural
nature
outdoor
panorama
park
peaceful
reservoir
river
rock
scenery
scenic
sky
soil
stairs
step
stone
stream
sunny
surface
tall
texture
tranquility
travel
tree
trip
vacation
valley
view
wall
water