Photographs of Diana, Princess of Wales, are seen with floral tributes left outside Kensington Palace in Central London on August 29, 2017 ahead of the 20th anniversary of Princess Diana's death. Britain prepares to mark the twentieth anniversary of the death of Diana, Princess of Wales. August 31, 1997, Britain's Diana, Princess of Wales, died in a high-speed car crash in Paris. For the week following, leading up to her spectacular funeral, Britain was plunged into an unprecedented outpouring of popular grief which shook the monarchy. / AFP PHOTO / Daniel LEAL-OLIVAS