scenic underwater cyberpunk city concept art, ((realistic angular structures)), lively city lights, (futuristic Atlantis), glass covered walkways, underwater background, deep sea, glass ceiling, ocean floor, submarines overhead, docked submarines, blue tones, black tones, dark tones, realistic scifi features, high tech, machinery, deep shadows, cinematic, ((graphic novel sketch, black sketch lines, low-key cinematic lighting, thick ink outlines, digital oil painting, posterized, cel shading, vector illustration, tenebrism, bold brush strokes, subtle colors))