A mesmerizing 8K resolution image depicting an underwater realm in a vibrant retro-futuristic style. Two colossal blue sharks, rendered in shimmering metallic holographic chromatic blue, gaze intently at a vibrant school of multicolored fish. Their sleek bodies, detailed with subtle holographic highlights, exhibit a sense of calm observation. The sharks are positioned centrally, their large eyes reflecting the surrounding aquatic environment. The environment showcases ancient, overgrown structures, bathed in holographic chromatic green hues, suggesting a forgotten civilization reclaimed by nature. Lush vegetation, rendered in hyperrealistic detail, blankets the ruins. In the far distance, a massive black whale, its form similarly rendered in metallic holographic chromatic black, adds a sense of scale and mystery to the scene. The fifth-dimensional aspect manifests as a subtle warping of light and color around the structures and marine life, creating an ethereal, otherworldly ambience. The overall palet