digital art, trending on artstation, dark and rainy mega city with towering walls built to block the migrants of the coming climate change migrant crisis showing piles of hundred bodies outside to maintain a quality of life for those who can survive the severe and deadly weather patterns observing small children targeted by advanced military style drones, dystopian, octane render, pbr render, highly detailed, tilt shift background, wide depth of field, 8 k, 3 5 mm film grain