When the famous British Romanticist artist Joseph Mallord William Turner (1775-1851) donated two of his paintings - Dido Building Carthage and Sun Rising through Vapour - to the National Gallery in London, his only condition was for the art works to be exposed alongside two other oeuvres - The Seaport and The Mill - by 17th-century French painter Claude (c.1600- 1682, full name Claude Gellée, also known as Claude Lorrain). Read more...

Trafalgar Square
www.nationalgallery.org.uk