abstract
architecture
background
barrage
beautiful
canal
channel
concrete
construction
countryside
dam
design
dike
drain
drainage
ecology
embankment
emergency
energy
environment
fall
flood
flow
flowing
green
industry
irrigation
lake
landscape
natural
nature
overflow
power
reservoir
river
side
sky
spillway
stream
technology
through
travel
tunnel
uncontrolled
vedio
view
water
waterfall
weir
white
定額
Water in dam concrete spillway infrastructure at reservoir. Waterfall and stream in side channel spillway. Dam with drainage channelの素材 [FY310181416253]
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