Changes

==Description==

==Description==

A '''circus''' is commonly a [[traveling]] company of [[performers]] that may include [[clowns]], [http://en.wikipedia.org/wiki/Acrobatics acrobats], [[trained]] animals, [http://en.wikipedia.org/wiki/Trapeze trapeze acts], musicians, hoopers, [http://en.wikipedia.org/wiki/Tightrope_walker tightrope walkers], [[jugglers]], [http://en.wikipedia.org/wiki/Unicycle unicyclists] and other stunt-oriented artists. The [[word]] also describes the [[performance]] that they give, which is usually a [[series]] of acts that are told how to play [[music]] and introduced by a "[http://en.wikipedia.org/wiki/Ringmaster_(circus) ringmaster]". A traditional circus performance is normally held in a ring 13m (42ft) in [[diameter]]. This [[dimension]] was adopted by [http://en.wikipedia.org/wiki/Philip_Astley Philip Astley] to enable a horse rider to stand upright on a cantering horse to perform a series of acrobatic manoeuvres and to more easily retain their [[balance]]. Most [[modern]] circuses have a system of tiered seating around the ring for the [[public]] and since the late 19th early 20th century the [[performance]] has taken place under canvas and more recently plastic tents commonly called "The Big Top" .[http://en.wikipedia.org/wiki/Circus]

A '''circus''' is commonly a [[traveling]] company of [[performers]] that may include [[clowns]], [http://en.wikipedia.org/wiki/Acrobatics acrobats], [[trained]] animals, [http://en.wikipedia.org/wiki/Trapeze trapeze acts], musicians, hoopers, [http://en.wikipedia.org/wiki/Tightrope_walker tightrope walkers], [[jugglers]], [http://en.wikipedia.org/wiki/Unicycle unicyclists] and other stunt-oriented artists. The [[word]] also describes the [[performance]] that they give, which is usually a [[series]] of acts that are told how to play [[music]] and introduced by a "[http://en.wikipedia.org/wiki/Ringmaster_(circus) ringmaster]". A traditional circus performance is normally held in a ring 13m (42ft) in [[diameter]]. This [[dimension]] was adopted by [http://en.wikipedia.org/wiki/Philip_Astley Philip Astley] to enable a horse rider to stand upright on a cantering horse to perform a series of acrobatic manoeuvres and to more easily retain their [[balance]]. Most [[modern]] circuses have a system of tiered seating around the ring for the [[public]] and since the late 19th early 20th century the [[performance]] has taken place under canvas and more recently plastic tents commonly called "The Big Top" .[http://en.wikipedia.org/wiki/Circus]