Exiled artist calls Beijing Games stadium a 'fake smile'

In this Dec. 26, 2014 file photo, a worker walks past an ice rink with the logo for Beijing's Winter Olympics bid ahead of a countdown event to the new year in front of the iconic Beijing National Stadium "Bird's Nest" in Beijing. (AP Photo/Ng Han Guan, File) In this Dec. 26, 2014 file photo, a worker walks past an ice rink with the logo for Beijing's Winter Olympics bid ahead of a countdown event to the new year in front of the iconic Beijing National Stadium "Bird's Nest" in Beijing. (AP Photo/Ng Han Guan, File)