Inside Buckingham Palace The Throne Room , over 60ft long , used for State Investitures and the reception of delegations . The three-tiered Throne Dias under an impressive canopy of red and gold velvet is seen at the far end . The seven beautiful chandeliers , suspercede from the ceiling together give a light equal to nearly 3000 candles . A dark red Brussels carpet covers the floor and an elaborate freize , depicting the Wars of the Roses runs round the Walls