Imagine a tranquil, dreamlike scene filled with ethereal floating cubes that emit soft, glowing light. Each cube varies in size and hue, casting gentle reflections and shadows on a serene surface below. The atmosphere is infused with a calming aura, highlighted by a twilight backdrop that enhances the cubes' luminous qualities. Wisps of mist curl around them, inviting viewers to step into this surreal realm of light and tranquility.