英文關鍵字
backwoods
blue
branch
bright
color
day
dry
edge
environment
environmental
evergreen
flower
footpath
forest
fur
glade
grass
growth
land
landscape
leaf
meadow
natural
nature
nobody
non
outdoors
park
path
pine
plant
rural
scene
season
silence
sky
summer
sunlight
sunny
tall
tree
trunk
urban
vitality
wildlife
wood
woodland