Buckingham Palace was first used for the State Opening of Parliament by George III in 1762 and has been used by the monarch for every coronation since George IV. It was last used for the Golden Jubilee of Elizabeth II. Also housed in the mews are the coach horses used at royal ceremonial processions. The Mall, a ceremonial approach route to the palace, was designed by Sir Aston Webb and completed in 1911 as part of a grand memorial to Queen Victoria. It extends from Admiralty Arch, across St James's Park to the Victoria Memorial. This route is used by the cavalcades
Garden at Buckingham Palace of the palace rebuilding by William Townsend Aiton of Kew Gardens and John Nash. The great manmade lake was completed in 1828 and is supplied with water by the Serpentine Lake in Hyde Park. According to Palace tourist guides, the garden is maintained by approximately eight full-time gardeners, with two or three part-timers. The trees include plane, Indian chestnut, silver maple, and a swamp cypress. In the south-west corner, there is a single surviving mulberry tree from the plantation installed by King James I of England when he unsuccessfully attempted to breed silkworms in the Mulberry Garden on the Buckingham