David Attenborough tells all about the Queen he knew in new BBC documentary

Sir David Attenborough is to tell all about the late Queen Elizabeth II in a new BBC documentary produced to mark what would have been her 100th birthday.While Sir David pays tribute to her 'regal' air, her childhood friend Baroness Glenconner will recall facing cheering crowds on the Buckingham Palace balcony at her coronation.The documentary, titled Queen Elizabeth II: Her Story, Our Century, is set to air on BBC One on Monday.