英文關鍵字
action
active
adventure
air
altitude
background
blue
challenge
clear
cloud
colors
courage
danger
extreme
fall
flight
fly
force
free
freedom
fun
glider
group
high
horizontal
jump
landing
leisure
male
man
military
outdoor
parachute
parachutist
paragliding
paratrooper
people
plane
risk
sky
skydiving
speed
sport
summer
teamwork
training
travel
white
wind