LONDON, ENGLAND – MARCH 05: Gift Horse, the latest work of art to take its place on Trafalgar Square’s Fourth Plinth, is pictured high above The National Gallery on March 5, 2015 in London, England. The sculpture, by 78-year old German artist Hans Haacke, is the skeleton of a riderless horse with a London Stock Exchange ticker attached to its leg, intended to represent the effects of the City, power and money. (Photo by Mary Turner/Getty Images)