Watch now: Liu Xiaodong in conversation with curator Zhang Ga

Liu Xiaodong discusses the creation of his live painting machine, surveillance culture and whether robot artists need sleep, on the occasion of his recent exhibition, ‘Weight of Insomnia’. He is accompanied by Zhang Ga, the director of Chronus Art Center in Shanghai and co-curator of the current Guangzhou Triennial. The conversation is led by Lisson Gallery’s Director of Content, Ossian Ward.