Visit London with BigBus Blue & Red Tourbr Main locations visited:br br Buckingham Palacebr The ceremony of change of guard at Buckingham Palacebr Tower bridgebr Tower of Londonbr Palace of Westminsterbr Regent Street St Jamesbr Abbaye From Westminsterbr Picadilly Circusbr Trafalgar Squarebr Cruise on the Thamesbr Melia White House Hotel