set: An elderly man traveling on a public street on a hover round vehicle in front of a yellow bus and a white van. A man riding a scooter past a yellow city bus. a man on a scooter riding down the road in front of a bus A MAN ON A MOTORIZED WHEELCHAIR DRIVING IN THE PATH OF A BUS  A person in a motorized scooter is on the road in front of a store being followed by a bus.