Tower of London - one of the main symbols of the United Kingdom, occupies a special place in the history of the English nation.Tower, a fortress, standing on the north bank of the Thames - the historic center of London and one of the oldest buildings in England. As the Duke of Edinburgh wrote in his book on the 900th anniversary of the Tower, "in its history, the Tower of London was a fortress, palace, royal jewelry store, arsenal, mint, a prison, an observatory, a zoo, a place attracting tourists."