LONDON – The highlight of the week arrived yesterday with the opening of Frieze London, now in its 10th edition. Frieze Masters, a new fair dedicated to art from ancient to modern, brought an exciting new dimension to the event. Tour both fairs with Sotheby’s, and get an insider’s perspective from Frieze Masters Director Victoria Siddall, White Cube’s Tim Marlow, the BBC’s Will Gompertz, Sotheby’s specialists Aileen Agopian, Greg Rubinstein and Alex Bell, as well as gallerists from around the world.