A billboard posted outside Lisson Gallery in London in 2011, calling for Ai Weiwei to be released from detainment.MATT DUNHAM/AP/SHUTTERSTOCK
Ai Weiwei arrested for calling for freedom of expression in China in 2011.
A billboard posted outside Lisson Gallery in London in 2011, calling for Ai Weiwei to be released from detainment.MATT DUNHAM/AP/SHUTTERSTOCK
Ai Weiwei arrested for calling for freedom of expression in China in 2011.