A clown from a traveling circus stretches backstage in Belgium. Dutch photographer Wiesje Peels has followed several circuses in Europe. The photos in her book "Mimus" capture a glimpse of the performers' "hidden life."
A circus performer holds a board covered with throwing knives.
An elephant sits outside a circus tent in Germany.
Circus performers practice a skit in Belgium.
A giraffe enters a circus ring in Germany.