英文關鍵字
altitude
blue
boulder
brilliant
broomfield
calming
clear
clouds
colorado
colorful
deep
denver
dusk
elevation
evening
fiery
front
grass
high
horizon
jagged
landscape
moody
mountains
orange
panoramic
peacefully
peaks
placid
profile
range
red
restful
rocky
rugged
scenic
sight
silhouette
sky
skyline
stirring
summer
sun
sunset
swaying
tranquil
twilight
undulate
wave
west
western