A man showing his acrobatic skill with a monoboard being towed behind a boat on a lake .
Man riding a motorcycle .
A man showing his acrobatic skill with a monoboard being towed behind a boat on a lake.
Man riding a motorcycle.
The man is on a lake with a monoboard, which would be impossible to ride a motorcycle on.
The man is on a lake with a monoboard , which would be impossible to ride a motorcycle on .