LONDON, UNITED KINGDOM - DECEMBER 20: Exterior view of King Edward VII Hospital in London, United Kingdom on December 20, 2019, where Duke of Edinburgh has been admitted. Duke of Edinburgh was admitted on advice of Royal doctors, just hours before the Queen arrived in Sandringham. The Duke of Edinburgh walked into the hospital in central London after travelling from the royal estate in Norfolk. Stringer / Anadolu Agency/ABACAPRESS.COM