Viral laser lights on Chinese Expressway at night, cars driving below rainbow laser beams, Shandong, Qingdao, China

viral laser lights chinese expressway cars driving below rainbow laser beams shandong qingdao china flickering flashing aerial drone zoom in flying nighttime night green red purple rainbow road lights highway colored antisleep drivers safety rainbowcolored lasers chinas antifatique beams blue improve road safety improve freeway infrastructure laser beam highway lasers driver risk night time drivers disorientation multicolor prevent drivers from falling asleep