 ", and some of Britain's filmmakers wrote a letter organized by Mark Donne to Hugh Grosvenor, 7th Duke of Westminster, for permission to hold an outdoor screening of "The Salesman" in London's Grosvenor Square "directly opposite the United States embassy building" on the night of the Academy Awards Ceremony.When that plan floundered, Lily Cole, who was another signatory, brought in Sadiq Khan, the Mayor of London.Khan offered to Trafalgar Square for a free screening.