Ai Weiwei

"With nothing to do, Ai paced back and forth in his cell, covering some 600 miles and losing almost 30 pounds during his 81 days of confinement."

Article about artist Ai Weiwei's detention.

http://www.thedailybeast.com/newsweek/2011/11/13/ai-weiwei-speaks-out-on-his-detention.html