aerial
alentejo
algarve
alqueva
architecture
barrage
beautiful
blue
concrete
construction
countryside
dam
drone
electric
electricity
energy
engineering
europe
generator
green
hydro
hydroelectric
industrial
industry
lake
landscape
monchique
mountain
nature
odelouca
outdoor
park
portugal
power
reservoir
river
serra
sky
spring
station
structure
summer
sun
technology
tourism
travel
tree
vacation
view
water