英文關鍵字
agriculture
animal
background
beef
bio
bovine
calm
cattle
conservation
country
countryside
cow
cows
dairy
eat
eating
eco
ecology
environment
environmental
farm
farming
farmland
field
free
freedom
grass
grazing
green
hd
healthy
land
landscape
livestock
mammal
meadow
milk
natural
nature
pastoral
pasture
ranch
rural
sky
standing
summer
video
vista