Tate Britain's Great British Walks

Miriam Margolyes is the first of six celebs being taken by art curator Gus Casely-Hayford to the site where a favourite picture was painted

Miriam Margolyes is the first of six celebs being taken by art curator Gus Casely-Hayford to the site where a favourite picture was painted.

For Miriam that's St Ives, where self-taught Cornish artist Alfred Wallis turned out paintings in the 1930s that have such an instant effect that Miriam starts to cry.