watercolor art of a hydroelectric dam at night with cascading waterfalls under a starry sky. concept of renewable energy

watercolor dam night waterfalls energy sky art scenic nature environment renewable water electricity nighttime stars power landscape serene peaceful blue mountains forest nightscape harmony tranquil illustration waterway engineering technology infrastructure reflection luminous glowing atmospheric hydro architecture artistic flow environmental sustainable beauty tranquility watercolour aquarelle painting hydroelectric cascading starry concept ai generated