英文關鍵字
austria
beautiful
bridge
bushes
cascade
clear
cold
dam
environment
europe
flood
flooding
force
forest
fresh
green
impound
impoundment
landscape
lower
melt
nature
open
openings
outdoor
people
plants
pushing
rain
river
rivulet
scenic
snowmelt
spring
stream
summer
surf
swollen
trees
water
waterfall
white