英文關鍵字
beautiful
branches
clean
climate
day
ecology
ecosystem
environment
exotic
flying
foliage
forest
fresh
grassland
green
grow
height
hot
journey
jungle
landscape
leaf
lush
national
nature
nobody
palmtree
park
plant
plantation
planting
quadcopter
rural
scene
scenery
shadow
summer
sun
sunlight
top
travel
traveling
treeline
treetop
tropic
valley
view
wild
wildlife
woodland