a man skate boarding down a railing  on some steps
A skateboarder jumps over a flight of stairs with a crowd of kids watching.
A LARGE GROUP OF PEOPLE ARE WATCHING A SKATEBOARDER
A person does a skateboard trick on a rail
Outside, people that are situated in a space that is beside a ramp and to the rear of some steps, watch as a skateboarder leaps almost as high as the top of the railing bisecting the steps.