英文關鍵字
abrupt
asia
attraction
boulders
cascade
clear
creek
crystal
day
ecology
environment
flow
moss
outdoor
river
roaring
rock
rush
scenery
soft
steady
stone
stream
sunlight
sunray
trail
water
waterfall
wet
英文關鍵字
abrupt
asia
attraction
boulders
cascade
clear
creek
crystal
day
ecology
environment
flow
moss
outdoor
river
roaring
rock
rush
scenery
soft
steady
stone
stream
sunlight
sunray
trail
water
waterfall
wet