英文關鍵字
sports
ropes
climbing
park
outdoors
adventure
girls
extreme
courage
safety
activity
line
equipment
child
fun
clambering
leisure
pursuit
risk
holding
moving
playground
teenage
people
recreational
amusement
high
hiking
wood
plank
danger
protection
board
ground
hang
step
system
outside
suspend
spring
fear
boy
swing
sideway
cross
football
field