agriculture
building
channel
cloudy
concrete
control
cultivation
dam
economy
energy
engineering
environment
estremadura
farmland
fertile
flood
floodgate
flow
flowing
gate
green
huge
infrastructure
irrigate
landscape
line
lock
meadow
metal
nature
open
outdoor
pouring
power
reservoir
ridge
river
rural
scene
sky
spain
station
system
technology
toilet
valve
vegas altas del guadiana