英文關鍵字
across
altitude
anchored
botannical
branches
bridge
bush
cables
cabling
canopy
catenary
dangerous
environment
environmental
fence
foliage
green
greenery
hanging
high
leaves
light
movement
moving
path
planks
plants
posts
rainforest
rope
scary
shrubs
simple
stem
steps
strung
sun
sunlight
supported
suspended
suspension
tree
trees
tropical
trunks
walking
wire
wooden
woods