Ancienne cité flottante à tour horloge au-dessus d’un océan sans fin

A colossal ancient clocktower floating above an endless ocean at sunset, the clocktower has opened like a gigantic mechanical flower, revealing a breathtaking miniature city built inside its golden gears, tiny illuminated trains traveling through the mechanisms, enormous waterfalls pouring from the floating structure into the clouds below, distant mountains emerging from mist, thousands of glowing birds circling the tower, warm sunlight breaking through dramatic storm clouds, breathtaking sense of scale, perfectly balanced cinematic composition, strong central focal point, intricate architecture and mechanical details, realistic metal and stone textures, atmospheric perspective, volumetric golden light, subtle reflections, surreal but believable, premium fantasy concept art, photorealistic, masterpiece, exceptionally detailed, gallery-quality artwork, 8K, no people, no text, no watermark, no logo