Watch The Genius of British Art online: Episode 4 Visions of England

At a time when Britain's contemporary art world has been dominated by the 'Sensation' generation of Damien Hirst and Tracey Emin, it's easy to dismiss English landscape art as nothing more than tea towel culture. That would be a big mistake, argues Sir Roy Strong. Far from being a succession of chocolate box cliches, the genius of English landscape art is that it affords a sometimes shocking and subversive insight into the country's deepest fears. What we see at first glance can be deceptive. Take that great national icon: Constable's The Haywain. On the surface it's an image of an idyllic pastoral scene but in its time it was revolutionary. Visitors to the Royal Academy in 1821 were horrified that Constable should exhibit a piece of local landscape on a scale usually reserved for subjects from the Bible or national history. It was painted during a period when England was engaged in bloody war against France, there was turbulence in the countryside and industrial revolution in the cities. All the most significant developments in English landscape art have happened at times of great national crisis - the Napoleonic Wars, the First and Second World Wars - when Britain was cut off from the continent and our artists were compelled to look inwards. Sir Roy argues that, from Constable to Hockney, landscape artists have reflected visions of England on the cusp of change. It is nothing less than this country's greatest contribution to western art.

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