Highly detailed illustration of a hidden world inside planet earth, atmosphere, futuristic city and spaceship in the background, holographic shimmer, whimsical lighting, futuristic ambiance, soft textures, imaginative artwork, ethereal glow, silent Luminescence, whispering Silent, iridescent Encounter, vibrant background, rule of thirds, high quality, high detail, high resolution, bokeh, backlight, long exposure ((masterpiece)), ((detailed)), ((beautiful)), ((realistic)), ((4k)), ((8k))