abstract
agriculture
background
beautiful
canal
climate
concrete
conservation
construction
control
dam
dirty
drain
drainage
ecology
electric
engineer
engineering
environment
flood
floodgate
flow
flowing
generation
industry
landscape
motion
mountain
natural
nature
outdoor
power
powerful
problem
rain
reservoir
river
spillway
station
stream
structure
technology
thailand
tropical
view
wall
water
waterfall
watergate
weather
定額
Aerial view of the water released from the concrete dam's drainage channel as the overflow in the rainy season. Top view of turbid brown forest water flows from a dam in rural northern Thailand.の素材 [FY310195542517]
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