Diamond Jubilee preparations

Tower Bridge is lit up by new dynamic lighting during the launch of the lighting system, in readiness for the Queen's Diamond Jubilee and London 2012 Olympic Games, in London, May 30, 2012. The new bulbs of varying colors and intensity cut energy consumption by up to 40 percent.

Flag buntings decorate Covent Garden market in London in readiness for the weekend celebrations to mark the Diamond Jubilee of Queen Elizabeth II, Wednesday, May 30, 2012. The capital is preparing to celebrate the Diamond Jubilee, the 60th anniversary of the accession of Queen Elizabeth II to the throne.

A stand is prepared by workers around the Queen Victoria Memorial outside Buckingham Palace in London on May 30, 2012, in readiness for the weekend celebration events to mark the Diamond Jubilee of Queen Elizabeth II around The Mall and Buckingham Palace.

A matrix road sign warns drivers of traffic problems for the extended Diamond Jubilee weekend on June 1, 2012, in London.

Workers clean the road surface of The Mall on June 1, 2012, in London. With two days to go before the start of Diamond Jubilee celebrations final preparations are taking place in the capital.

Souvenirs to mark Queen Elizabeth II's Diamond Jubilee are seen for sale in a shop in the City of London on May 31, 2012.

An office building by the river Thames in London is decorated with British flags on May 31, 2012, in preparations for the weekend celebrations to mark the Diamond Jubilee of Queen Elizabeth II. The capital is preparing to celebrate the Diamond Jubilee, the 60th anniversary of the accession of Queen Elizabeth II to the throne.

A general view of activity at St Katharine's docks as the first sailing boats are anchored in position downstream of Tower Bridge, ready to form the "Avenue of Sail", which the Queen's flotilla will pass through on the Diamond Jubilee River Pageant, on May 31, 2012, in London. Over a thousand vessels will form one of the largest flotillas ever assembled on the Thames.

A giant flag is seen draped over a construction site on Piccadilly in London in readiness for upcoming weekend celebration events on May 30, 2012. The capital is preparing to celebrate the Diamond Jubilee, the 60th anniversary of the accession of Queen Elizabeth II to the throne.

People wander around a floral crown installed in St James's Park in central London to commemorate Britain's Queen Elizabeth II's Diamond Jubilee on May 29, 2012.

Union Jack bunting hangs over Sloane Square outside The Royal Court Theatre on May 29, 2012, in London. The capital is preparing to hold four days of celebrations over the first weekend in June to commemorate Queen Elizabeth II's Diamond Jubilee.

British Union flags fly above New Bond Street in London, on May 25, 2012. The capital is preparing to celebrate the Diamond Jubilee, marking the Queen's 60-year reign.

A poster advertising a magazine depicting Queen Elizabeth II, to commemorate her Diamond Jubilee, is seen outside a shop in central London on May, 29, 2012.

Union Flags fly along The Mall near Buckingham Palace in London on May 29, 2012, as it is prepared ahead of British Queen Elizabeth II's Diamond Jubilee celebrations.

Workers build viewing stands for the media and the public near Buckingham Palace in London on May 29, 2012, as preparations are made for Queen Elizabeth II's Diamond Jubilee celebrations.

Carriage restorer David Evens cleans the 1902 State Landau coach, the coach that will carry Britain's Queen Elizabeth II during the official procession to mark her Diamond Jubilee, at the Royal Mews in Buckingham Palace on May 28, 2012.

Coachmen prepare the horses for the official procession to mark Queen Elizabeth II's Diamond Jubilee at the Royal Mews in Buckingham Palace on May 28, 2012. Britain is set to mark the Queen's diamond jubilee with a long weekend of events ranging from a 1,000-boat river pageant on the Thames and a carriage procession from Westminster Hall to Buckingham Palace on June 5.

A boat passes a giant image hanging from a building on the south bank of the River Thames in London showing Britain's Queen Elizabeth II, fifth left, and from left the royal family, Prince Charles, Prince Edward, Prince Andrew, Earl Mountbatten, Prince Phillip, Mark Phillips and Princess Anne standing on the balcony of Buckingham Palace during the queen's 1977 Silver Jubilee on May 25, 2012. The giant canvas, measuring 100 meters by 70 meters and weighing nearly two tons, was officially will be displayed until the end of June in celebration of the Diamond Jubilee, marking the queen's 60 year reign.

A small girl looks from Blackfriars Bridge on May 25, 2012, as workers help to hang a giant image from a building on the south bank of the River Thames in London showing Britain's Queen Elizabeth II, fourth left, and from left the royal family, Prince Edward, Prince Andrew, Earl Mountbatten, Prince Phillip and Mark Phillips standing on the balcony of Buckingham Palace during the queen's 1977 Silver Jubilee.

Pageantry hangs high over the street at sunrise ready for the Piccadilly Big Jubilee Street Party on May 25, 2012, in London.

Britain's Union flags are hung above the streets of central London on May 22, 2012, ahead of Queen Elizabeth II's Diamond Jubilee celebrations.

The "Parish of St Helier Garden" featuring a plant display celebrating the Diamond Jubilee at the Royal Horticultural Society's Chelsea Flower Show on May 21, 2012, in London.

A flag with Queen Elizabeth II's portrait made entierly of Legos is pictured in the window of a shop in central London on May 21, 2012, ahead of the Queen's Diamond Jubilee celebrations.

Staff members celebrate the Diamond Jubilee in a shower of confetti outside Harrods department store on May 16, 2012, in London. Harrods employees performed a rendition of "God Save The Queen" outside the store as they unveiled the store's new displays showcasing 31 crowns designed by some of the world's leading brands.

The RAF Central Band Fanfare Team performs a piece of music on the roof of One New Change on May 14, 2012, in London. The special fanfare in honor of the Queen Elizabeth II's Diamond Jubilee was composed by Principal Director of Music, Wing Commander Duncan Stubbs, and will be performed by the trumpeters inside St. Paul's Cathedral at the Service of Thanksgiving on June 5.

Soldiers stage a dress rehearsal of the royal carriage procession from Westminster Hall to Buckingham Palace prior to the Diamond Jubilee celebrations this weekend on June 1, 2012, in London.

Members of the armed forces lined the route of the procession along Whitehall and The Mall which Her Majesty Queen Elizabeth II will travel in the 1902 state landau carriage during the Diamond Jubilee celebrations on June 5, 2012.

Soldiers stage a dress rehearsal of the royal carriage procession from Westminster Hall to Buckingham Palace prior to the Diamond Jubilee celebrations this weekend on June 1, 2012, in London.