CLEAN: Exterior views of The Duchess of Cambridge greeting the crowd of school children outside Bletchley Park on 14 May 2019 in Bletchley, United Kingdom

CLEAN: Interior views of The Duchess of Cambridge taking part in a code breaking exercise with local school children using the Enigma machine at Bletchley Park on 14 May 2019 in Bletchley, United Kingdom

CLEAN: Exterior views of The Duchess of Cambridge being given flowers by a young boy before leaving and driving off at Bletchley Park on 14 May 2019 in Bletchley, United Kingdom

CLEAN: Exterior views of the Codebreakers Memorial Wall which shows The Duchess of Cambridge's Grandmothers name Valerie Glassborow and her twin sister, Mary's name at Bletchley Park on 14 May 2019 in Bletchley, United Kingdom