Trooping the Colour 2013: St John's Ambulance preparing for the parade. Image #16, 15 June 2013 08:53 Horse Guards Parade, London, UK

Trooping the Colour 2013: The grandstand for the diplomatic corps early in the morning of the parade. Image #17, 15 June 2013 08:54 Horse Guards Parade, London, UK

Trooping the Colour 2013: The first spectators arriving at Horse Guards Parade. Spectators are covered in a separate image library. Image #18, 15 June 2013 08:58 Horse Guards Parade, London, UK

Trooping the Colour 2013: Allegedly the most feared man in the British Army, WO1 Garrison Sergeant Major William 'Bill' Mott OBE MVO, Welsh Guards, in charge of ceremonial events in London District, chatting with a spectator. Image #19, 15 June 2013 09:03 Horse Guards Parade, London, UK

Trooping the Colour 2013: Allegedly the most feared man in the British Army, WO1 Garrison Sergeant Major William 'Bill' Mott OBE MVO, Welsh Guards, in charge of ceremonial events in London District, still wearing a civilian suit.. Horse Guards Parade, Westminster, London SW1, United Kingdom, on 15 June 2013 at 09:03, image #20

Trooping the Colour 2013: A glass roof is mounted on top of the saluting base for HM The Queen - showers are expected throughout this breezy day. Image #21, 15 June 2013 09:05 Horse Guards Parade, London, UK

Trooping the Colour 2013: The 'Keepers of the Ground', guardsmen bearing marker flags for their respective regiments, marching on Horse Guards Road along St James's Park. Image #22, 15 June 2013 09:52 Horse Guards Parade, London, UK

Trooping the Colour 2013: The 'Keepers of the Ground', guardsmen bearing marker flags for their respective regiments, marching on Horse Guards Road along St James's Park. Image #23, 15 June 2013 09:52 Horse Guards Parade, London, UK

Trooping the Colour 2013: The 'Keepers of the Ground', guardsmen bearing marker flags for their respective regiments, marching on Horse Guards Road along St James's Park. Image #24, 15 June 2013 09:53 Horse Guards Parade, London, UK

Trooping the Colour 2013: The 'Keepers of the Ground', guardsmen bearing marker flags for their respective regiments, turning towards Horse Guards Parade at the Guards Memorial. Image #25, 15 June 2013 09:53 Horse Guards Parade, London, UK

Trooping the Colour 2013: The 'Keepers of the Ground', guardsmen bearing marker flags for their respective regiments, marching towards Horse Guards Arch. Image #26, 15 June 2013 09:54 Horse Guards Parade, London, UK

Trooping the Colour 2013: The 'Keepers of the Ground', guardsmen bearing marker flags for their respective regiments, disappearing under Horse Guards Arch, they will return later to mark the positions for their regiments. Image #27, 15 June 2013 09:55 Horse Guards Parade, London, UK

Trooping the Colour 2013: In front of the Guards Memorial, Major H S Llewelyn-Usher and Second Lieutenant A J N Smith, No. 3 Guard, 1st Battalion Welsh Guards, following the Keepers of the Ground to Horse Guards Arch. Image #28, 15 June 2013 09:55 Horse Guards Parade, London, UK

Trooping the Colour 2013: Major H S Llewelyn-Usher and Second Lieutenant A J N Smith, No. 3 Guard, 1st Battalion Welsh Guards, following the Keepers of the Ground to Horse Guards Arch. Image #29, 15 June 2013 09:55 Horse Guards Parade, London, UK

Trooping the Colour 2013: The second pair of officers following the Keepers of the Ground, Lieutenant E C S Birrel and Major J D Salusbury, No. 2 Guard, 1st Battalion Welsh Guards. Image #30, 15 June 2013 09:55 Horse Guards Parade, London, UK