[00:14.313]In the heart of London sits one of Britain's most recognisable buildings. [00:19.662]Yet its story is one of the least understood. [00:34.016]Buckingham Palace is a building with a deep hold on the public imagination. [00:38.461]Not only is it the seat of the British monarchy and headquarters of royal affairs of state. [00:43.818]But also, thanks to its famous balcony, [00:47.164]it's become the national focus for great moments of commemoration and celebration. [00:58.280]But what is now the site of a splendid palace was once open countryside. [01:12.436]And behind the familiar facade lies a building with a strange and surprising history. [01:19.910]Shaped by successive monarchs who all had very different ideas of what it should be.