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Autumn colours at Llyn Onn reservoir in the Brecon Beacons. The leaves have changed green to orange, gold, red and yellow. The vibrant seasonal hillside colours are mirrored in the water below
Wastewater treatment plant. Reservoir for purification of sewage.
Water dam and reservoir lake in Swiss Alps mountains producing sustainable hydropower, hydroelectricity generation, renewable energy to limit global warming, aerial view, decarbonize, summer
hydroelectric power plant icon, modern hydropower, dam outline, water energy, electricity water turbine, thin line symbol - editable stroke vector illustration
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