The photo was taken at a long exposure. The kid sitting with the phone is motionless, so he is in focus, and the rest of the people are in motion, so they are "blurred." There are similar images in the directory
https://en.grandgames.net/puzzle/online/gorod_v_neone Sometimes a slow shutter speed is used to show movement, to make the picture more dynamic.
Also, it seems to me that this street is somewhere in China.