August 30, 2017 10:07 am William, Kate and Harry Pay Tribute to Princess Diana British princes William and Harry paid tribute to their late mother, Princess Diana, on August 30, on a visit to a garden created in her memory. William’s wife, Kate, came for the visit as well. US & World Videos 1:21 Watch the trailer for NBC's My New Favorite Olympian 1:46 Heat waves getting hotter, longer, and more frequent because of climate change 1:03 More than 2,000 people buried alive in Papua New Guinea landslide, Government says 45:40 How this surgeon wants to reinvent the American urgent care center 1:56 Mike Tyson ‘doing great' after health scare on flight