Prince William and Kate Middleton visiting 9/11 Memorial.Reuters 
Prince William and kate Middleton take a tour of the lobby of One World Trade Center after a visit to the National September 11 Memorial and Museum in New York.Reuters 
Britain's Prince William tours the observation deck of the Empire State Building with Anthony Malkin, (R) Chairman, President and CEO of Empire State Realty Trust, and New York City Mayor Bill de Blasio (C) in New York.Reuters 
Prince William and Kate Middleton arrive at the Metropolitan Museum of Art to attend the St Andrews 600th Anniversary Dinner in New York.Reuters 
U.S. President Barack Obama meets Prince William in the Oval Office of the White House in Washington on 8 December 2014.Reuters 
Prince William shakes hands with former U.S. Secretary of State Hillary Rodham Clinton as Chelsea Clinton (2nd L) looks on while attending a reception co-hosted by the Royal Foundation and the Clinton Foundation at British Consul General's Residence in New York.Reuters 
Prince William and Kate Middleton shake hands with former U.S. Secretary of State Hillary Rodham Clinton (L) and Chelsea Clinton (2nd L) in New York.Reuters 
Prince William and Kate Middleton with Dikembe Mutombo (left center) during the game between the Brooklyn Nets and the Cleveland Cavaliers.Reuters 
Prince William and Kate Middleton with Dikembe Mutombo (left center) during the game between the Brooklyn Nets and the Cleveland Cavaliers.Reuters 
Britain's Prince William and Kate Middleton pose with LeBron James (R) backstage as they attend the Cleveland Cavaliers vs. Brooklyn Nets game at Barclays Center in the Brooklyn borough of New York.Reuters 
Prince William and Kate Middleton pose with NBA Commissioner Adam Silver (2nd R), Global Ambassador Dikembe Mutombo (L) and Sr. Vice President, Community & Player Programs Kathleen Behrens (R) in New York.Reuters 
Prince William delivers remarks to the International Corruption Hunters Alliance conference at World Bank headquarters in Washington.Reuters 
Duchess of Cambridge is greeted by children after an event at the Northside Center for Child Development in the Harlem section of New York, on 8 December 2014.Reuters 
Kate Middleton wraps presents for children with Chirlane McCray, the wife of the mayor of New York City, at the Northside Center for Childhood Development in New York.Reuters 
A local resident holds a cut-out of the Duke and Duchess of Cambridge outside the Carlyle Hotel in New York.Reuters 
New York residents await the arrival of Prince William and Kate Middleton at the Carlyle Hotel in New York.Reuters 
Prince William and Kate Middleton in NewYorkReuters 
Prince William and Kate Middleton in New York..Reuters 
Prince William and Kate Middleton in New York.Reuters 
Prince William and Kate Middleton in New York.Reuters 
Prince William and Kate Middleton in New York.Reuters 
Prince William and Kate Middleton in New York.Reuters
The Duke and Duchess of Cambridge, Prince William and Kate Middleton have arrived on Sunday around 4:30 pm EST in New York City without Prince George.
After a seven-hour flight, the couple arrived at the John F Kennedy International airport and are residing in Carlyle Hotel in Manhattan's Upper East Side.
The Duke looked handsome in a signature suit with blue tie, while the Duchess wore a burgundy Seraphile coat over her dress with black gloves.
The couple is in the Big Apple for a three-day visit, and Prince William met the US President Barack Obama and former US Secretary of State Hilary Clinton among others. He also delivered his remarks to the International Corruption Hunters Alliance conference at World Bank headquarters in Washington.
The royals attended a NBA game between the Brooklyn Nets and the Cleveland Cavaliers at Barclays Center in Brooklyn with Basketball player Dikembe Mutombo. Meanwhile, five months pregnant Middleton visited the Harlem Northside Center for Child Development.
The Duke and Duchess of Cambridge visited the 9/11 memorial site on Tuesday morning and left flowers at one of the pools.
They placed a handwritten note that read: "In sorrowful memory of those who died on 11th September and in admiration of the courage shown to rebuild. William and Catherine."
The note the Duke & Duchess of Cambridge left with their bouquet at the #911Memorial. #RoyalVisitUSA pic.twitter.com/LewELdYdv4
— 9/11 Memorial (@Sept11Memorial) December 9, 2014
The couple also attended the St. Andrews 600th Anniversary Dinner at the Metropolitan Museum of Art before they flew back to the UK on Tuesday.
