Princes William and Harry visited a new garden dedicated to their mother, Princess Diana, Wednesday on the eve of the 20th anniversary of her death today. The two, along with William's wife, Kate Middleton, toured the White Garden at Kensington Palace in London, which had previously been known as the Sunken Garden. They were accompanied by the head gardener and another gardener who knew Diana, before meeting with representatives from several of the organizations their mother supported in the final years of her life and several charities with which she had a close relationship. The White Garden was planted at Kensington Palace, where Diana lived for 15 years, to mark the 20-year anniversary of her death in a Paris car crash. Open since this spring, it was created with several of Diana's favorite flowers and plants, including white roses and lilies, and was inspired by her work, image and style.