LONDON- Queen Elizabeth, who missed a Remembrance Sunday service at the Cenotaph due to a sprained back, was shown standing and smiling at Windsor Castle on Wednesday.

The queen, 95, is the world's oldest and longest-reigning monarch.

(Reporting by Guy Faulconbridge; Editing by Kate Holton) ((guy.faulconbridge@thomsonreuters.com; 07825218698;))