People carrying umbrellas queue to enter Battersea Park festival on the route of the jubilee river pageant on June 3, 2012 in London. Britain's Queen Elizabeth II will sail on a royal barge down the River Thames as part of a huge pageant marking her diamond jubilee, in one of the biggest events of its kind in London's history.
- [JOHN MACDOUGALL/AFP/Getty Images]

Spectators await the Royal Jubilee river Pageant near Tower Bridge in London, on June 3, 2012, where 1,000 vessels of all shapes and sizes will be part of the Diamond Jubilee river Pageant. Britain is celebrating the diamond jubilee of Queen Elizabeth II, marking 60 years on the throne during which she has set a number of landmarks.
- [IAN KINGTON/AFP/Getty Images]

Jubilee reveller Joseph Afrane poses for a photograph as he waits on the riverbank ahead of the Diamond Jubilee River Pageant on June 3, 2012 in London, England. For only the second time in its history the UK celebrates the Diamond Jubilee of a monarch. Her Majesty Queen Elizabeth II celebrates the 60th anniversary of her ascension to the throne. Thousands of well-wishers from around the world have flocked to London to witness the spectacle of the weekend's celebrations. The Queen along with all members of the royal family will participate in a River Pageant with a flotilla of a 1,000 boats accompanying them down The Thames, the star studded free concert at Buckingham Palace, and a carriage procession and a service of thanksgiving at St Paul's Cathedral.
- [Matt Cardy/AFP/Getty Images]

Anti-royalist protestors demonstrate beside the River Thames in London, on June 3, 2012, as Britain celebrates the Queen's Diamond Jubilee River Pageant. Queen Elizabeth II was to sail on a ceremonial barge down the Thames on Sunday at the centre of a 1,000-boat pageant to mark her diamond jubilee, although heavy rain threatened to spoil the party.
- [MIGUEL MEDINA/AFP/Getty Images]

Boats line up for the start of the Diamond Jubilee River Pageant on June 3, 2012 in London, England. For only the second time in its history the UK celebrates the Diamond Jubilee of a monarch. Her Majesty Queen Elizabeth II celebrates the 60th anniversary of her ascension to the throne. Thousands of well-wishers from around the world have flocked to London to witness the spectacle of the weekend's celebrations. The Queen along with all members of the royal family will participate in a River Pageant with a flotilla of a 1,000 boats accompanying them down The Thames. (Photo by Dan Kitwood - WPA Pool /Getty Images)
- [Dan Kitwood/AFP/Getty Images]

Participants sit row boats during the Thames Diamond Jubilee Pageant on the River Thames in London on June 3, 2012. Queen Elizabeth II was to sail on a ceremonial barge down the Thames on Sunday at the centre of a 1,000-boat pageant to mark her diamond jubilee, although heavy rain threatened to spoil the party.
- [ADRIAN DENNIS/AFP/Getty Images]

A woman flies a Union Flag during the Thames Diamond Jubilee Pageant on the River Thames in London on June 3, 2012. Britain's Queen Elizabeth II sails on a royal barge down the River Thames as part of a huge pageant marking her diamond jubilee, in one of the biggest events of its kind in London's history. One million people are expected to line the river to see the extravaganza of steam boats and tugs, speed boats and historic vessels.
- [CARL COURT/AFP/Getty Images]

Participants row a boat prior the start of the Thames Diamond Jubilee Pageant on the River Thames on June 3, 2012 in London, England. For only the second time in its history the UK celebrates the Diamond Jubilee of a monarch. Her Majesty Queen Elizabeth II celebrates the 60th anniversary of her ascension to the throne. Thousands of well-wishers from around the world have flocked to London to witness the spectacle of the weekend's celebrations. The Queen along with all members of the royal family will participate in a River Pageant with a flotilla of a 1,000 boats accompanying them down The Thames. (Photo by Adrian Dennis - WPA Pool/Getty Images)
- [WPA Pool/AFP/Getty Images]

Spectators waving Britain's Union flags wait near Tower Bridge during the Diamond Jubilee river Pageant on the River Thames in London on June 3, 2012. Britain's Queen Elizabeth II sails on a royal barge down the River Thames as part of a huge pageant marking her diamond jubilee, in one of the biggest events of its kind in London's history. One million people are expected to line the river to see the extravaganza of steam boats and tugs, speed boats and historic vessels.
- [CARL COURT/AFP/Getty Images]

A crewman aboard the boat 'Havengore' stands waiting for the royal party at the start of the Thames Diamond Jubilee Pageant on the River Thames in London on June 3, 2012. Queen Elizabeth II was to sail on a ceremonial barge down the Thames on Sunday at the centre of a 1,000-boat pageant to mark her diamond jubilee, although heavy rain threatened to spoil the party.
- [LEON NEAL/AFP/Getty Images]

A boy wears a mask of Queen Elizabeth II while waiting near Tower Bridge for the start of River Thames for the start of the Diamond Jubilee River Pageant on June 3, 2012 in London, England. For only the second time in its history the UK celebrates the Diamond Jubilee of a monarch. Her Majesty Queen Elizabeth II celebrates the 60th anniversary of her ascension to the throne. Thousands of well-wishers from around the world have flocked to London to witness the spectacle of the weekend's celebrations. The Queen along with all members of the royal family will participate in a River Pageant with a flotilla of a 1,000 boats accompanying them down The Thames. (Photo by Dylan Martinez/WPA-Pool/Getty Images)
- [WPA Pool/AFP/Getty Images]

Crowds gather on (from top) Millennium, Southwark and London Bridges to watch The Diamond Jubilee River Pageant on The River Thames in London on June 3, 2012. Britain is celebrating the diamond jubilee of Queen Elizabeth II, marking 60 years on the throne during which she has set a number of landmarks. One million people are expected to line the river to see the extravaganza of steam boats and tugs, speed boats and historic vessels.
- [PETER MACDIARMID/AFP/Getty Images]