英文關鍵字
above
air
angle
background
beautiful
below
blue
bottom
branch
canopy
countryside
day
daylight
ecology
ecosystem
environment
forest
forestry
green
growth
leaf
light
looking
lush
natural
nature
nobody
outdoor
park
pine
rotate
rotating
rural
scenery
season
silence
sky
summer
sunlight
tall
top
tranquil
travel
tree
trees
vacation
wild
wilderness
wood
woods