NEW YORK — Britain’s Prince William and his wife, Kate, are scheduled to visit one of New York City’s most somber sites, the National Sept. 11 Memorial and Museum.

The Tuesday morning visit to the site, where 67 British citizens were among those who died, the most of any foreign country, is coming on the last day of the Duke and Duchess of Cambridge’s trip. The visit to New York City and Washington was the first time either of them has visited those cities.

On Tuesday evening, William and Kate are expected at a black-tie fundraiser for the University of St. Andrews, where they both got their degrees.

On Monday, William went to the White House and spoke at a World Bank conference. Kate wrapped Christmas gifts and helped children decorate picture frames while touring a child development center with New York City’s first lady, then talked technology, theater and more with a British-success-story guest list at a lunch at the consul general’s home.

The duchess and first lady Chirlane McCray met with families and heard about the work of the Northside Center for Child Development, which offers mental health and educational services.

“Very nice to meet you,” Kate told a classroom of 3- and 4-year-olds, who were embellishing picture frames with stickers.

In the evening, the couple attended a reception at the British Consul General’s residence co-hosted by the Royal Foundation and the Clinton Foundation, celebrating conservation efforts. When they arrived, they spent some time talking with former Secretary of State Hillary Rodham Clinton, Chelsea Clinton and her husband, Marc Mezvinsky.

As they were heading to the reception, Kate stopped to talk to 6-year-old Blake Zarkowsky, who was there with her parents and grandparents.

“I love your shoes and socks,” Kate told her. “They look very Christmas-y.”

William spoke to the crowd, and then he and Kate then headed to the Barclays Center in Brooklyn to watch a basketball game between the Brooklyn Nets and the Cleveland Cavaliers.

Before the game, William asked which team to support, and was told to root for both. The couple was meeting NBA executives and former player Dikembe Mutombo, marking a collaboration that would help raise awareness about animal trafficking.

Next to Mutombo, William said, “At last I’m standing next to someone who is taller than me.”

The royals are visiting a city where thousands of people have protested over the past week to decry a grand jury’s decision not to indict a white police officer in the chokehold death of an unarmed black man, Eric Garner. Demonstrators were outside the Barclays Center on Monday night.

In the pre-game warm-up, Cavaliers players LeBron James and Kyrie Irving and multiple players on the Nets wore shirts emblazoned with the words “I Can’t Breathe,” a rallying cry that has developed around Garner’s last words.

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