A chimpanzee bottle-feeds a lamb at Southam Zoo Farm in Warwickshire. The owners of the zoo, Mr and Mrs Clews, bring up many of the animals as their pets; the animals, are, as a result, of a friendly disposition. (Photo by Fox Photos/Getty Images). 23rd August 1968

Model Adriana Sklenarikova Karembeu presents new “Pikolino” shoes at El Corte Ingles store on April 1, 2011 in Madrid, Spain. (Photo by Carlos Alvarez/Getty Images)

An Aden civilian crouching in terror as British soldiers threaten him during Arabian demonstrations in Crater. (Photo by Express Newspapers/Getty Images). 1967

Lukas Podolski of Koeln is challenged by Philipp Wollscheid of Nuernberg during the Bundesliga match between 1. FC Koeln and 1. FC Nuernberg at RheinEnergieStadion on April 3, 2011 in Cologne, Germany.

A detail of "Supersilvio" by Francesco De Molfetta representing the Italian Prime Minister Silvio Berlusconi is displayed during the MiArt 2011 Contemporary and Modern Art International Fair press preview on April 7, 2011 in Milan, Italy.

Racing fans soak up the sunshine and dress to impress during Ladies Day at the Aintree Grand National meeting on April 8, 2011 in Aintree, England. Friday is traditionally Ladies day at the three-day meeting of the world famous Grand National, where fashion is as important as the racing.

An oversized, prehistoric praying mantis wreaks havoc in a freeway underpass as it overturns cars and trucks, in a film still from “The Deadly Mantis”, directed by Nathan Juran, 1957. (Photo by Universal Pictures/Courtesy of Getty Images)

Workers sort freshly-painted Easter eggs at the Lueck poultry farm on April 7, 2011 in Sommerkahl near Aschaffenburg, Germany. The farm is currently working 24-hour shifts to meet demand for its brightly-coloured eggs two weeks before Easter. (Photo by Ralph Orlowski/Getty Images)