英文關鍵字
aerial
air
cold
colorado
country
covered
drone
east
eastern
field
fields
flight
footage
frost
frozen
grass
grassland
grasslands
grassy
ice
meadow
mountain
mountains
moving
natural
nature
pasture
plains
plateau
range
region
rocky
scattered
season
seasonal
snow
snowy
state
states
trees
united
usa
video
view
west
western
winter
wintry