a large skate board ramp.
a man that is skateboarding
a man on a skateboard
a man ridnig a skateboard
a man skateboarding inside
a skateboarding doing a stunt
a skateboarding doing a trick
a skateboarder on a ramp
a man weraing a shirt
he is trick skating
he is doing a jump in the air
he is doing a trick 
this is a halfpipe 
he is skating
the young man is riding his skateboard up the ramp while other people are watching him