Truro, Cornwall, UK. 1st Sept, 2016. The Duke and Duchess began their visit to Cornwall in Truro, Cornwall's only city, where they visited Truro Cathedral and met civic dignitaries and cathedral representatives. Whilst there, Their Royal Highnesses will also 'Sign-a-Slate' in support of the Truro Cathedral Roof Appeal. Credit: Simon Maycock/Alamy Live News

- Image ID: GNXPTM
Truro, Cornwall, UK. 1st Sept, 2016. The Duke and Duchess began their visit to Cornwall in Truro, Cornwall's only city, where they visited Truro Cathedral and met civic dignitaries and cathedral representatives. Whilst there, Their Royal Highnesses will also 'Sign-a-Slate' in support of the Truro Cathedral Roof Appeal. Credit: Simon Maycock/Alamy Live News
Simon Maycock / Alamy Stock Photo
Image ID: GNXPTM