Futuristic cityscape with skyscrapers, a river, and multiple bridges. A giant sci-fi structure located in the city center with an enlarged central emitter, emitting large blue beams into the sky. The city is filled with advanced technology, including flying vehicles in the sky. The architecture is sleek and modern, with neon lights and metallic surfaces. Add more intricate details to the city buildings and the central structure, including visible windows, lights, and texture on the surfaces. Incorporate elements of the metaverse style, such as holographic displays, virtual reality elements, and digital overlays that interact with the environment. The sky is covered with heavy clouds, with subtle stars and a moon visible, creating a mysterious and advanced atmosphere.