英文關鍵字
above
aerial
air
america
area
arsenal
birds
colorado
denver
detention
erosion
eye
from
gateway
life
mountain
national
nature
open
pond
prairie
refuge
rocky
soil
space
states
summer
summertime
top
united
view
wild
wildlife
英文關鍵字
above
aerial
air
america
area
arsenal
birds
colorado
denver
detention
erosion
eye
from
gateway
life
mountain
national
nature
open
pond
prairie
refuge
rocky
soil
space
states
summer
summertime
top
united
view
wild
wildlife