Chinese dissident artist <a gi-track='captionPersonalityLinkClicked' href=/galleries/search?phrase=Ai+Weiwei&family=editorial&specificpeople=4331218 ng-click='$event.stopPropagation()'>Ai Weiwei</a> attends a panel discussion at the Berlin International Literature Festival on September 2, 2015 in Berlin, Germany. Ai and poet Liao Yiwu participated in a conversation about literature, contemporary art, and their relationships with Chinese authorities. Liao had been imprisoned for four years in 1989, and in 2011, Ai was detained and beaten by security officials and then imprisoned for 81 days, only to reclaim his passport this past July, after which he went to Germany to meet his his partner Wang Fen and their son Ai Lao.