An extraordinarily detailed cyberpunk-steampunk scene, set in a nighttime metropolis with a strong cosmic adventure theme. In the foreground, a large, intricately designed steampunk hourglass is the focal point, with radiant linework and a glowing neon aura. The clockwork mechanism of the hourglass is visible, and the sand inside seems to be represented by tiny stars. The background depicts a bustling city with futuristic architecture and a diverse array of characters. The buildings are a mix of towering skyscrapers and smaller, more traditional structures, all illuminated by the vibrant neon lights. A sense of intense detail and mixed media techniques is evident, with a range of textures and materials used to create a truly immersive experience. The 8K resolution brings every element of this captivating scene to life with crystal clarity.