A dystopian futuristic London city in ruins, tower blocks crumbling amidst the jungles and vines of green vegetation overgrowth, vibrantly rich neon lighting, gleaming volumetric-lighting-style atmosphere, a dark gloomy futuristic atmosphere, intricate, detailed, photorealistic imagery, oil on canvas, illustrated by H.R. Giger and Syd Mead, trending on artstation, 4k, 8k