英文關鍵字
aerial
agricultural
agriculture
area
bird
brandenburg
busy
cereal
day
drill
dry
dust
dusty
economics
economy
farmer
farming
farmland
field
germany
grass
green
ground
harvest
harvester
harvesting
horizontal
land
landscape
landscaped
large
line
machine
machinery
monotone
outdoors
photography
plant
plow
railway
rural
seed
sowing
technology
tractor
view
working