英文關鍵字
active
activity
adrenaline
adventure
air
bridge
building
bungee
challenge
coils
confidence
cord
cords
courage
crane
danger
detail
down
elastic
emotions
equipment
excitement
extreme
fall
falling
fear
fly
free
freedom
fun
ground
height
high
jump
jumping
land
life
lifestyle
lying
oscillate
outdoors
platform
risk
rope
ropejumping
safety
scary
sport
style
thick