Send us your questions for Ai Weiwei

Something you want to ask the dissident Chinese artist, once imprisoned for his political art? Now’s your chanceChinese artist Ai Weiwei has filled Tate Modern’s Turbine Hall with handcrafted sunflower seeds, co-designed Beijing’s National Stadium, and covered the front of Munich’s Haus der Kunst museum with 9,000 schoolchildren’s backpacks as a memorial to those killed in the 2008 Sichuan earthquake. His art is never lacking in scale and ambition – but it was