deep-sea environment with a sprawling underwater city reminiscent of Rapture from BioShock,  ocean water dark murky green hue creating an atmosphere of mystery and desolation, Detailed the underwater city is littered with towering skyscrapers and structures constructed from industrial materials like steel and glass, signs of wear and decay, illuminated by the soft glow of artificial lights emanating from within,  eerie shadows on the surrounding water, marine life such as drifting kelp, swaying seaweed, bioluminescent organisms, eerie ambiance, intricate details of the city's architecture and the rugged terrain of the ocean floor, dotted with ancient remnants of civilization, sense of depth and scale, vast ocean and the towering structures of the city stretching upwards, viewer gazes into the depths of the underwater world,