英文關鍵字
background
barrage
beautiful
blue
building
cascade
concrete
construction
control
creek
dam
dike
energy
environment
flood
flow
flowing
forest
green
hydro
industry
irrigation
lake
landscape
mist
motion
natural
nature
old
outdoor
plant
power
reservoir
river
rock
rural
scenic
slow
small
splash
stone
stream
summer
tree
water
waterfall
weir
wet