Residents experience "happiness index testing" bus shelters in Beijing, July 20, 2011. Bus stops in five cities including Kunming, Shenzhen, Xi'an and Zhengzhou launched the interactive shelters. [CNS Photo/Fu Tian]
| Print 
| Share 
Residents experience "happiness index testing" bus shelters in Beijing, July 20, 2011. Bus stops in five cities including Kunming, Shenzhen, Xi'an and Zhengzhou launched the interactive shelters. [CNS Photo/Fu Tian]
