In Pictures: William and Kate in the United StatesPublished9 December 2014Shareclose panelShare pageCopy linkAbout sharingImage caption, The Duke and Duchess of Cambridge are in the United States as part of a three-day tour - the duke visited the White House while the duchess travelled to see a children's centre in New York.Image caption, On Monday, Prince William visited the White House for a 20 minute meeting with President Barack Obama, who said the prince's work to protect endangered wildlife was "very important".Image caption, Prince William delivered a speech to the World Bank in Washington on wildlife crime, describing the illegal wildlife trade as "one of the most insidious forms of corruption and criminality in the world today".Image caption, In his speech at the World Bank, the prince also attacked those who "loot our planet to feed mankind's ignorant craving for exotic pets, trinkets, cures and ornaments derived from the world's vanishing and irreplaceable species".Image caption, The Duchess of Cambridge is seen here wrapping presents for children with Chirlane McCray, the first lady of New York City, at the Northside Center for Childhood Development. She stayed in New York while her husband visited Washington.Image caption, The Duchess was greeted with cheers from well-wishers when she arrived at the centre in Harlem, which provides educational and mental health services to children and families.Image caption, The duchess, who is expecting her second child, mixed with the children who attend the centre.Image caption, The royal couple have had a warm welcome in the United States. These young women were keen to wave at Prince William as he left the World Bank headquarters in Washington DC.Image caption, The royal couple greeted former US Secretary of State Hillary Clinton and her daughter Chelsea at a reception held at the British consul general's residence.Image caption, The final event of the day saw the royals travel to Brooklyn to see a basketball game between the Brooklyn Nets and the Cleveland Cavaliers. Here they pose with NBA commissioner Adam Silverwhile.Image caption, The couple had front-row seats to take in the action at the Barclays Center.Image caption, They were in good spirits, with the prince sharing a joke with NBA global ambassador Dikembe Mutombo (second left).Image caption, The couple rubbed shoulders with musical royalty - singer Beyonce and rapper Jay-Z.Image caption, They were presented with special strips, including one for Prince George, by NBA star LeBron James.Image caption, The royal couple also visited the National September 11 Memorial and Museum in New York. The duchess is seen here laying flowers at the edge of the memorial's reflecting pools.Image caption, The duke and duchess also saw theatrical performances during a visit to the Door and the City Kids Foundation in New York.More on this storyPrince William in first Obama talksPublished9 December 2014Royal couple arrive in New YorkPublished8 December 2014