Floral tributes and photographs are seen outside one of the entrances of Kensington Palace to mark the coming 20th anniversary of the death of Diana, Princess of Wales, in London on August 30, 2017. Britain prepares to mark the 20th 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