Two clowns give us a very amusing exhibition of their bicycle, which they have trained to perform dances and to jump over obstacles without being mounted by any person.Two clowns give us a very amusing exhibition of their bicycle, which they have trained to perform dances and to jump over obstacles without being mounted by any person.Two clowns give us a very amusing exhibition of their bicycle, which they have trained to perform dances and to jump over obstacles without being mounted by any person.