Defensible space, futuristic architecture, sleek lines, metallic materials, neon lights, holographic projections, towering skyscrapers, urban cityscape, night scene, misty atmosphere, angular shapes, reflective surfaces, LED lighting, complex structures, 3D holographic displays, virtual reality interfaces, high-tech laboratories, robotic arms, levitating platforms, zero-gravity environments, astronaut suits, space exploration themes, galactic backgrounds.