From David Hockney to Yoshitomo Nara, here are the artists that have performed best at auction in the last year.

While inspecting a sumptuous villa in Rome, an electrician stumbled across long lost works by the Baroque painter Carlo Maratta.

A curtain opens on a stage to reveal different shaped animated characters - a sphere, a cube and a pyramid. NARRATOR: It's crunch time for the 3D crew. And who's going to take home the coveted ...