A woman looks at an art installation named "Forever Bicycles" by dissident Chinese artist Ai Weiwei during a media preview of the "Ai Weiwei Absent" exhibition in Taipei, October 28, 2011. The exhibition is scheduled to run from October 29, 2011 to January 29, 2012 at the Taipei Fine Arts Museum, and features 21sets of Ai's works, including installation pieces, photography, sculpture, and videos.