The brown area of the ramp where the group is standing.
The silver siding of the ramp where the group is standing.
a skateboarder performing a trick
a man on a ramp
a man skateboarding on a ramp
a man at the top of a ramp
a man wearing a hat
a man on a skateboard outside
people standing on a ramp
people standing on a skateboard ramp
a skateboard ramp 
a man skateboarding
a person skateboarding at the top of a half pipe as people watch the skateboarder ride inside