WikiLeaks founder Julian Assange (right) said he'll leave the Ecuadorian Embassy in London, at a news conference with Ecuador's Foreign Minister Ricardo Patino. Assange has been holed up at the embassy for two years. John Stillwell/AFP/Getty Images hide caption

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This installation at the Tower of London will ultimately feature 888,246 ceramic poppies, honoring the soldiers from Britain and the British colonies who died in World War I. Rich Preston/NPR hide caption

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Revelers dance in their pajamas at Morning Gloryville in London in January. The nightclub, which holds a rave once a month beginning at 6:30 a.m., has inspired morning raves in a number of other cities around the world. Andrew Winning/Reuters/Landov hide caption

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The Shard, the tallest building in Western Europe at 1,016 feet, was inaugurated in London in 2012. It got its formal name when the builders adopted the term used by critics, who called it a "shard of glass" in the city's skyline. Ben Fitzpatrick/AP hide caption

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Cyclists negotiate rush hour traffic in central London on Nov. 15. Fourteen London cyclists have died so far this year, all in accidents involving heavy goods vehicles. Oli Scarff/Getty Images hide caption

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A man reacts to a shaft of intense sunlight reflected from the glass windows of the new "Walkie Talkie" tower in central London on Aug. 30. Leon Neal/AFP/Getty Images hide caption

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A Nov. 23, 2010, photo shows Michael Adebolajo (center, in dark T-shirt) with suspected Al-Shabab recruits who were arrested by Kenyan police. Adebolajo, one of the main suspects in the brutal murder of a soldier in London, was discharged from the hospital Tuesday. AFP/AFP/Getty Images hide caption

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As Ian Rigby spoke Friday about his stepson Lee, a British soldier who was murdered on a south London street this week, the young man's widow, Rebecca (right), and his mother, Lyn, reached out. Dave Thompson /Reuters /Landov hide caption

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