The job of a tight rope walker is very dangerous. He must walk high in the air above the audience. A tight rope walker needs very good balance because the rope is very thin. If he falls, He will die.
In New York in 1974 a man walked between the Two Towers. They were metres over 400metres high.
Every circus has jugglers. To juggle you have to be very skilful and practice a lot! It is very difficult. Can anyone juggle? A juggler can you use balls, rings and even fire and knives. Sometimes they can even juggle on unicycles. Unicycles are bikes on with only one wheel.
Magicians are very clever and mysterious people. They wear top hats and long capes. http://www.youtube.com/watch?v=QUVn4Hti W1U&feature=fvst At the circus they take rabbits out of hats, they can make people disappear, they can even saw people in half.
Normally the animals at the circus are animals that are not from Spain or England. Elephants, Lions, and tigers live in the jungle and the desert. Some people think its is cruel that they are kept in cages say that they are treated badly.