Including masterpieces by the likes of Pieter Bruegel the Elder, Anthony van Dyck and Peter Paul Rubens ... of tinted watercolour as if in pursuit of a disappearing cat", while Rubens thrills ...

1525), in which the artist applies coloured chalks and watercolour to add verisimilitude to a monochrome image. Rubens’s A Peasant Girl Churning Butter (c.1617-19), meanwhile, captures a dignity ...