circus wiki:
>For other uses, see Circus (disambiguation). A circus is most commonly a traveling company of performers that may include acrobats, clowns, trained animals, and other novelty acts and the word also describes the performance that they give. A circus is held in a oval or circular arena with tiered seating around its circumference; in the case of traveling circuses this location is most often a large tent.
See more at Wikipedia.org...