Experience a Sotheby's beyond your wildest imagination, where galleries are transformed into a wonderland of mysterious, macabre and mesmerising works of contemporary art and curious artefacts. From Warhol, Hirst and Rothko to Renaissance-era marble skulls, our Bear Witness auctions on 10, 11 and 12 March 2015 in London will be the most extraordinary exhibition in Sotheby's 270 year history.