vibrant watercolor of a tropical waterfall with lush flora and rainbow light. concept of nature's

waterfall watercolor tropical flora rainbow nature beauty serenity landscape vibrant exotic illustration art lush colorful peaceful forest foliage tranquility paradise vivid jungle botanical water wilderness environment light greenery scene creative picturesque dreamy fantasy natural spray enchanting fauna aqua colors sunlight mist scenery ecosystem watercolour aquarelle painting concept natures landscapes ai generated