英文關鍵字
alaska
alaskan
awesome
beautiful
beauty
blue
current
danger
dangerous
falling
flow
flowing
foliage
green
hilly
idyllic
magnificent
motion
mountain
mountains
movement
natural
nature
north
northern
peaceful
picturesque
pinetrees
power
powerful
rapid
remote
river
rocks
rocky
runoff
rushing
scenery
scenic
splashing
spring
springtime
swirling
torrent
trees
water
waterfall
white
whitewater
wide
wild
wilderness