A young visitor to London Zoo enjoys a plate of fish and chips at one of the zoo's cafes, 10th April 1974. (Photo by Maurice Hibberd/Evening Standard/Hulton Archive/Getty Images)
A young visitor to London Zoo enjoys a plate of fish and chips at one of the zoo's cafes, 10th April 1974. (Photo by Maurice Hibberd/Evening Standard/Hulton Archive/Getty Images)