英文關鍵字
agriculture
alps
animal
animals
autumn
beats
bells
blue
brown
cattle
cloud
clouds
country
countryside
cow
cows
domestic
europe
farm
farming
farmland
field
forest
frisian
grass
grassland
green
land
landscape
mammal
meadow
milk
mountain
mountains
natural
nature
noises
outdoor
outdoors
pastoral
pasture
ranch
rural
scene
sky
sounds
spring
summer
travel
tree
trees
view
wood