英文關鍵字
adventure
all
backpack
beautiful
beauty
blue
boot
boots
bridge
crossing
danger
dangerous
feet
forest
freedom
green
happy
hiking
impassable
lake
mountain
narrow
nature
nothing
outdoor
over
power
river
step
stormy
stream
the
tourism
tourist
trails
travel
traveler
tree
trees
trekking
water
way
wet
wild
wildlife
wood