英文關鍵字
above
action
activity
adrenaline
adult
adventure
balance
challenge
confidence
confident
courage
danger
dangerous
extreme
fear
forest
free
freedom
high
highline
highlining
landscape
lifestyle
line
male
man
mountain
nature
outdoor
performance
person
recreation
risk
rope
scary
sky
slack
slackline
slackliner
sport
standing
tight
tightrope
walk
walker
young