A close-up of several glass spheres with their Christmas tree hook, representing an urbanization with an organic architectural structure inside. The sphere is transparent and reflects warm and festive lights. Inside, the home features soft curves, natural elements such as integrated vegetation, and a futuristic aesthetic that combines modern design with homely warmth. The scene is set in a Christmas setting, with gently falling snow in the background, golden lights twinkling, and a magical atmosphere evoking the season. Main colors: warm golden tones, natural greens, soft whites and red. The goal is to capture an endearing and festive feeling, with a futuristic touch that celebrates innovation and tradition. There must be decorated Christmas trees. A The Polar Express type train with red, white and gold colors will be circulating around.