英文關鍵字
ancient
bark
below
boulder
branches
canopy
cliff
covered
dangerous
day
deadly
down
dramatic
drop
edge
empty
fall
forest
gorge
heavy
hiking
hill
hillside
howling
large
leaves
locked
looking
moss
mountain
mountains
mysterious
ominous
overcast
prehistoric
ravine
river
rock
slope
steep
stream
tall
trees
trunks
vertical
wild
wilderness
woodland
woods