a Spring Themed Treasure Hunt at Trafalgar Square.   A cultural public space The Trafalgar Square area used to be used for stables for Whitehall Palace. It was redeveloped by John Nash in 1812 to be a cultural public space.  The square itself was designed by Sir Charles Barry and was completed in 1845. It was originally to… More Hunting for Artists, Artisans and Sheep at Easter.