英文關鍵字
abandoned
action
active
adventure
balance
building
buildings
city
concentration
confident
construction
courage
crowd
danger
equilibrium
extreme
freedom
freestyle
high
highline
lifestyle
line
lining
man
outdoor
performance
person
recreation
risk
rope
russia
security
siberia
slack
slackline
sport
standing
tight
tightrope
urban
walk
walker
young