a man is skateboarding on a cement block a man is skateboarding on a cement block a man on a skateboard is doing a trick a man is riding a skateboard on a cement block a man is riding a skateboard on a cement block a man on a skateboard is doing a trick a man on a skateboard doing tricks on a cement block a man on a skateboard is performing a trick a man is riding a skateboard on a cement block a man is skateboarding on a cement block a man is skateboarding on a cement block a man on a skateboard is performing a trick a man is skateboarding on a cement block a man on a skateboard doing tricks on a cement block a man is riding a skateboard on a cement block a man is riding a skateboard on a cement block a man is riding a skateboard on a cement block a man on a skateboard doing tricks on a cement block a man is riding a skateboard on a cement block a man on a skateboard is performing a trick a man is riding a skateboard on a cement block a man is skateboarding on a cement block a man on a skateboard is doing a trick a man on a skateboard doing tricks on a cement block a man is riding a skateboard on a cement block a man is riding a skateboard on a cement block a man is riding a skateboard on a cement block a man on a skateboard is doing a trick a man is skateboarding on a cement block a man on a skateboard is doing a trick
A person riding a skateboard doing a trick on the stairs by a lake. a man on a skate board does a trick  A skateboarder is attempting to do a trick.  A man riding a skateboard up the side of a ramp. A boy is skateboarding on a concrete slab.