There’s no longer any question that a Chinese art boom is in full swing, and some of the world’s best-known collectors are jumping on the bandwagon. Charles Saatchi, “whose patronage helped to establish the careers of Damien Hirst and Tracey Emin in the 1990s, is now paying increasing attention to the east. This year he launched a Mandarin version of his website, which gets more than 4m hits a day.”