Superb paintings of lightning storms by Giorgione, Poussin, Delacroix, Constable, Bierstadt, Rousseau, Klimt, Bonnard, and Tom Thomson.
Used since Roman times, it was common in the dress of saints. Highly toxic, it was progressively replaced by cadmium red in the late 19th century.
Many coasts are flat – a challenge to painters from the Netherlands and Belgium in particular. Here masters from the Golden Age, the Hague School, and others take on this challenge.