英文關鍵字
activity
antenna
countryside
desert
electronics
environment
farmland
field
grass
grassland
ground
hill
horizon
human
lake
land
landscape
life
meadow
mountain
mountains
nature
object
outdoors
panoramic
pasture
peak
plant
plateau
range
rocky
rural
savanna
scenery
scenic
sea
shark
slope
sun
sunrise
technology
tree
vale
vegetation
vista
wilderness
woodland