英文關鍵字
bridge
path
river
waterfall
board
plank
rope
move
stream
crossing
walk
motion
movement
suspension
hanging
swinging
rocky
wooden
foaming
seething
dangerous
unstable
stretched
hiking
way
water
flow
fall
fence
travel
stone
landmark
karelia
park
environment
tourism
landscape
adventure
footbridge
leisure
ecological
unique
russian
adrenaline
fear
freedom
overcoming
nature
natural