According to The Telegraph:
…the Duchess of Cambridge admitted she was unprepared for just how affecting it would be as she spoke of her “awe” at what she was seeing.
…the Duchess placed a bouquet of white roses – the State flower of New York – on part of the National 9/11 Memorial.
A handwritten message on the flowers said: “In sorrowful memory of those who died on 11th September, and in admiration of the courage shown to rebuild.” Each had signed their names – William and Catherine – underneath the message.
To read the entire article in The Telegraph, please click here.