A guy is attempting to perform a skateboard trick while jumping over part of a white building in an attempt to land on the concrete outside.
The skateboard has 8 wheels.
A boy is attempting to perform skateboard trick over part of a white building and not on a skateboard that has 8 wheels.
skateboard doesn't mean 8 wheels
It is unlikely that someone will do a jumping trick with a skateboard which has 8 wheels.