dystopian cyber bridge with metallic structures, neon underglow, and robotic sentinels guarding the entrance, set in a futuristic

3d abandoned architecture art atmosphere block bridge building cityscape concept construction cyber cyberpunk cyberspace dark digital dystopian entrance environment exotic fantasy fiction foliage future futuristic guarding hightech imaginary light metallic metropolis modern neon night overgrown rain rendering robotic scene scifi sentinels setting shadows soaked stage structures surreal technology terrain texture underglow urban vegetation visionary