英文關鍵字
bridge
path
river
waterfall
board
plank
rope
stream
cross
motion
movement
fall
suspension
hanging
swinging
walking
rocky
wooden
foaming
seething
dangerous
unstable
stretched
hiking
way
water
flow
fence
travel
stone
landmark
park
tourism
landscape
adventure
footbridge
leisure
adrenaline
freedom
overcoming
grass
environment
ecological
karelia
russian
nature
closeup
summer
brown
green