London

Early morning sunlight is reflected thro...Early morning sunlight is reflected through fog from the top of The Shard building in central London, on April 30, 2014. AFP PHOTO / CARL COURTCARL COURT/AFP/Getty Images

Carl Court/AFP

Early morning sunlight is reflected through fog from the top of The Shard building in central London on Wednesday morning Read more

Commuters board an underground train at King's Cross station in London April 29, 2014. Millions of commuters faced transport chaos on Tuesday after eleventh-hour talks failed to avert a two-day strike on the London Underground train network over plans to cut jobs and close ticket offices.

Neil Hall/Reuters

Commuters board an underground train at King’s Cross station in London. Millions of people faced transport chaos on Tuesday after talks failed to avert a two-day strike on the London Underground train network over plans to cut jobs and close ticket offices.

Cacti on display in the Royal Horticultural Society's 'Great London Plant Fair' in the RHS Lawrence and Lindley Halls on April 1, 2014 in London, England. The show, which aims to celebrate the vibrancy of spring, includes the 'RHS Early Daffodil Competition' and runs until April 4, 2014.

Oli Scarff/Getty Images

Cacti on display in the Royal Horticultural Society’s Great London Plant Fair in the RHS Lawrence and Lindley Halls on Tuesday in London, England. The show, which aims to celebrate the vibrancy of spring, includes the RHS Early Daffodil Competition and runs until Friday.

A man carries "Schwarze Spitzen" by Wassily Kandinsky from 1937  on display at Christie's auction house in London...A man carries "Schwarze Spitzen" by Wassily Kandinsky from 1937, on display at Christie's auction house in London March 28, 2014. The painting is expected to earn 2.4-3.6 million GB pounds (4-6 million U.S. dollars)  when auctioned in New York on May 6. REUTERS/Stefan Wermuth (BRITAIN - Tags: ENTERTAINMENT BUSINESS SOCIETY)

Stefan Wermuth/Reuters

A man carries “Schwarze Spitzen” by Wassily Kandinsky from 1937, on display at Christie’s auction house in London. The painting is expected to earn 2.4-3.6 million GB pounds (4-6 million U.S. dollars) when auctioned in New York on May 6 Read more

The coffin of the late Tony Benn is carried into the grounds of Westminster Abbey and St Margaret's Church for his funeral in London, England. Former Labour cabinet minister and opponent to the Iraq War Tony Benn, died at the age of 88 on March 14, 2014.

Dan Kitwood/Getty Images

The coffin of the late Tony Benn is carried into the grounds of Westminster Abbey and St Margaret’s Church for his funeral in London, England. Former Labour cabinet minister and opponent to the Iraq War Tony Benn, died at the age of 88 on March 14, 2014.

A woman views the Sutton Hoo Helmet on display in the new gallery 'Sutton Hoo and Europe AD 300-1100'  in the British Museum on March 25, 2014 in London, England. The exhibition in the museum's early medieval collections marks 75 years since the discovery of the Sutton Hoo treasure. The gallery's centrepiece are the archelogical finds from the Sutton Hoo ship burial in Suffolk; one of Britain's most spectacular and important discoveries. The exhibition opens to the general public on March 27, 2014.

Oli Scarff/Getty Images

A woman views the Sutton Hoo Helmet on display in the new gallery ‘Sutton Hoo and Europe AD 300-1100′ in the British Museum on Tuesday in London, England. The exhibition in the museum’s early medieval collections marks 75 years since the discovery of the Sutton Hoo treasure.

Well-wishers greet the horse-drawn funeral cortege of RMT General Secretary Bob Crow as it arrives at the City of London Crematorium on March 24, 2014 in London, England. Mr Crow, the outspoken leader of the Rail, Maritime and Transport Workers Union, died of a suspected heart attack, aged 52, on March 11, 2014.

Oli Scarff/Getty Images

Well-wishers greet the horse-drawn funeral cortege of RMT General Secretary Bob Crow as it arrives at the City of London Crematorium on Monday in London, England. Mr Crow, the outspoken leader of the Rail, Maritime and Transport Workers Union, died of a suspected heart attack, aged 52, on March 11, 2014.

The Household Cavalry Mounted Regiment parades in Hyde Park in London, Thursday, March 20, 2014. The regiment was undergoing their annual inspection to validate their ability to conduct state ceremonial duties for the year. 160 horses were paraded accompanied by the mounted Band of the Life Guards and Band of the Blues and Royals.

Kirsty Wigglesworth/AP

The Household Cavalry Mounted Regiment parades in Hyde Park in London. The regiment was undergoing their annual inspection to validate their ability to conduct state ceremonial duties for the year. One-hundred and sixty horses were paraded accompanied by the mounted Band of the Life Guards and Band of the Blues and Royals.

The Canary Wharf financial district and central London emerge from morning fog in this aerial photograph released by the Metropolitan Police in London

Metropolitan Police/Reuters

The Canary Wharf financial district emerges from Thursday’s morning fog , with central London in the background

A Christie's employee poses in front of one of two 'Unicorn Heads' at Christie's auction house on in London, England. The items make up part of the Les Trois Garcons' collection which will be sold at auction on March 5, 2014. The collection is made up of 380 lots from the owners of 'Les Trois Garcons' celebrity restaurant in Shoreditch and their homes.

Dan Kitwood/Getty Images

A Christie’s employee poses in front of one of two unicorn heads at Christie’s auction house on in London, England. The items make up part of the Les Trois Garcons’ collection that will be sold at auction on Wednesday. The collection is made up of 380 lots from the owners of Les Trois Garcons celebrity restaurant in Shoreditch and their homes.