London

David Beckham attends a press conference to mark his 10 years as a UNICEF Goodwill Ambassador, at Google's headquarters in central London, February 9, 2015. Beckham announced the launch of a new fund, "7: David Beckham UNICEF Fund", named after his old shirt number.

Peter Nicholls/Reuters

David Beckham attends a press conference to mark his 10 years as a Unicef goodwill ambassador at Google’s headquarters in central London. He announced the launch of the 7: David Beckham Unicef Fund, named after his Manchester United shirt number

An employee poses with a wall of Orchid Wander during a photocall for the 2015 'Orchids Festival' at the Royal Botanic Gardens in Kew, west London on February 5, 2015.

Ben Stansall/AFP

An employee arranges the plants on the Orchid Wander wall during the 2015 Orchids Festival at the Royal Botanic Gardens in Kew, London

Event employee Martin positions place sticks for guests during preparations for British Academy of Film and Television Awards (BAFTA) ceremony at the Royal Opera House in central London...Event employee Charlotte Martin positions place sticks for guests during preparations for British Academy of Film and Television Awards (BAFTA) ceremony at the Royal Opera House in central London, February 4, 2015. The 2015 BAFTA Awards Ceremony takes place in London on February 8.

Toby Melville/Reuters

Event employee Charlotte Martin positions place sticks for guests during preparations for this Sunday’s British Academy of Film and Television Awards (Bafta) at the Royal Opera House in central London on Wednesday

A swimmer reacts as he prepares to swim in the Serpentine lake after snow fall in central London

Toby Melville/Reuters

A swimmer prepares to swim in the Serpentine lake after snow fall in central London on Tuesday.

The Havengore, the boat which carried Sir Winston Churchill along the Thames during his state funeral in 1965, is pictured with Tower Bridge and HMS Belfast in the background as it repeats its journey from the Tower of London to Westminster.

Dominic Lipinski/WPA/Getty Images

The Havengore, the boat which carried Sir Winston Churchill along the Thames during his state funeral in 1965, is pictured with Tower Bridge and HMS Belfast in the background as it repeats its journey from the Tower of London to Westminster.

The statue of Britain's former Prime Minister Winston Churchill is reflected onto the rain covered pavement in front of the Houses of Parliament in London

Eddie Keogh/Reuters

The statue of Britain’s former Prime Minister Winston Churchill is reflected onto the rain covered pavement in front of the Houses of Parliament in London

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Peter Macdiarmid/Getty

Conservator Lucy Ackland cleans Winston Churchill‘s memorial stone in Westminster Abbey on Thursday in London, England. Events, including a wreath laying ceremony at Westminster Abbey, are taking place this week to commemorate the 50th anniversary of the death and state funeral of Britain’s wartime leader. 

National Army Museum Launches  Its Commemorations For The Bicentenary Of The Battle Of Waterloo...LONDON, ENGLAND - JANUARY 27:  Members of the Napoleonic Association pose for photographs during a press call at Wellington Arch on January 27, 2015 in London, England. The photocall marked the launch of the Waterloo200.org website which is in conjunction with the events marking the bicentennial of the Battle of Waterloo this year.  (Photo by Dan Kitwood/Getty Images)

Dan Kitwood/Getty

Members of the Napoleonic Association pose for photographs during a press call at Wellington Arch in London. The photocall marked the launch of the Waterloo200.org website in conjunction with the events marking the bicentennial of the Battle of Waterloo 

A window cleaner works on a building in the financial district of Canary Wharf in London January 22, 2015. European shares rose for a six straight day early on Thursday as investors bet on the size and shape of a sovereign bond-buying programme the European Central Bank will set out later in the day.

Kevin Coombs/Reuters

A window cleaner works on a building in the financial district of Canary Wharf in London

A member of the Serpentine Swimming Club enjoys an early morning swim in Serpentine Lake in Hyde Park on Monday in London, England

Carl Court/Getty Images

A member of the Serpentine Swimming Club enjoys a brisk early morning swim on Monday in the lake in Hyde Park in London, England

Art historian Chloe Nelkin views Defeat of the Floating Batteries at Gibraltar, 1782, by John Singleton Copley during the Guildhall Art Gallery's re-launch following a re-hang for the first time in 15 years, Guildhall Art Gallery, London.

Anthony Devlin/PA

A Gallery visitor views Defeat of the Floating Batteries at Gibraltar, 1782, by John Singleton Copley during the Guildhall Art Gallery’s re-launch following a re-hang for the first time in 15 years at the Guildhall Art Gallery in London on Thursday

A model presents a creation from the Topman Design Autumn/Winter 2015 collection during "London Collections: Men" in London...A model presents a creation from the Topman Design Autumn/Winter 2015 collection during "London Collections: Men" in London January 9, 2015. "London Collections: Men" is a four-day showcase of men's fashion scheduled a month before London Fashion week. REUTERS/Suzanne Plunkett (BRITAIN - Tags: FASHION)

Suzanne Plunkett/Reuters

A model presents a creation from the Topman Design Autumn/Winter 2015 collection during ‘London Collections: Men’ in London. The four-day event showcases men’s fashion a month before London Fashion week 

UK steps up security at train stations...epa04552030 A member of the station staff makes friend with a police sniffer dog as his handler looks on at St.Pancras International train station in London, Britain, 09 January 2015. Britain has stepped up security in the wake of the massacre at the Paris headquarters of the charlie Hebdo satirical magazine.  EPA/ANDY RAIN

Andy Rain/EPA

A member of station staff at St Pancras International train station in London makes friends with a police sniffer dog. The UK has stepped up security in the wake of the massacre at the Paris headquarters of the Charlie Hebdo satirical magazine

The Bank Of England As Central Bank Announces First Rate Decision Of 2015...Bloomberg Photo Service 'Best of the Week': A doorman wearing a top hat is seen opening the main entrance to the Bank of England in London, U.K., on Thursday, Jan. 8, 2015. The pound dropped to a 17-month low against the dollar amid speculation Bank of England policy makers will keep interest rates at a record low throughout 2015. Photographer: Chris Ratcliffe/Bloomberg

Chris Ratcliffe/Bloomberg

A doorman wearing a top hat is seen opening the main entrance to the Bank of England in London. The pound dropped to a 17-month low against the dollar amid speculation Bank of England policy makers will keep interest rates at a record low throughout 2015. 

Penguins swim in their pool during the annual stock take at London Zoo, Monday, Jan. 5, 2015. Caring for more than 750 different species, London Zoo keepers started the New Year with the task of counting every single animal. With three Sumatran tiger cubs adding vital numbers to the European conservation breeding programme, the birth of six critically-endangered Philippine crocodiles and the arrival of nine Humboldt penguin chicks, all of the new additions will be added to the records.

Kirsty Wigglesworth/AP

Penguins swim in their pool during the annual stock take at London Zoo on Monday. Caring for more than 750 different species, London Zoo keepers started the New Year with the task of counting every single animal

The Ukrainian Cossack Stunt team perform during day seven of the Olympia London International Horse Show at the Olympia Exhibition Centre, London

Steve Parsons/PA Wire.

The Ukrainian Cossack Stunt team perform during day seven of the Olympia London International Horse Show at the Olympia Exhibition Centre, London on Monday

Fashion designer Gareth Pugh unveils the Victoria and Albert (V&A) Museum's Christmas tree, tilted Ceremony, London. PRESS ASSOCIATION Photo. Picture date: Tuesday December 9, 2014. Photo credit should read: Anthony Devlin/PA Wire

Anthony Devlin/PA Wire

Fashion designer Gareth Pugh unveils the Victoria and Albert (V&A) Museum’s Christmas tree, titled Ceremony.

Crossrail development of Farringdon platform in London, as more than 23 miles (nearly 90%) of train tunnels are now complete, with tunnelling due to finish in spring next year. PRESS ASSOCIATION Photo. Issue date: Friday November 28, 2014. Six of Crossrail   s eight tunnelling machines have now completed their drives.

Crossrail/PA

A view of the Farringdon platform part of the Crossrail development in London, as more than 23 miles (nearly 90%) of train tunnels are now complete, with tunnelling due to finish in spring next year

Lego figures are displayed on the opening day of BRICK 2014 at the Excel Centre on November 27, 2014 in London, England. The four day event showcases creations by some of the world's best Lego builders and runs until November 30th.

Dan Kitwood/Getty Images

Lego figures are displayed on the opening day of BRICK 2014 at the Excel Centre on Thursday in London, England. The four day event showcases creations by some of the world’s best Lego builders and runs until Sunday

Mayor of London Boris Johnson joins  some of world's best wheelchair tennis players outside City Hall in London, as they demonstrate their skills ahead of the forthcoming NEC Wheelchair Tennis Masters in Birmingham. PRESS ASSOCIATION Photo. Picture date: Monday November 24, 2014.

Steve Parsons/PA

Mayor of London Boris Johnson joins some of world’s best wheelchair tennis players outside City Hall in London, as they demonstrate their skills ahead of the forthcoming NEC Wheelchair Tennis Masters in Birmingham