a beautiful modern street realistic photo of a lively Futuristic metropolis square, with summer afternoon bright natural lights, it’s a mid long view, a cute robot strums a guitar and a Chinese child wearing a VR glasses dances joyously to the rhythm, in the background crowd, a few modern young people and 2 robotic policemen leaning to their armored car, at the right bottom of this image, written "Chengdu, China, 2044", 6k Resolution, Ray Tracing , --ar 16:9