Time and motion
Andy Warhol would probably have been surprised to learn that his 1964 film ‘Empire’ had given rise to an entire genre. This work comprises eight hours and five minutes of slow-motion footage of the Empire State Building during which nothing much happens. Warhol remarked that it was a way of watching time pass or, you might say, the Zen of boredom. Much the same could be said of the films in Tacita Dean’s two exhibitions, Portrait and Still Life at the National Portrait Gallery and National Gallery respectively. The most ambitious of these, ‘Merce Cunningham performs STILLNESS’ (2008), on show at the NPG, is composed of six separate films, each