One year after quake, life goes on in Yushu

Cai Songmao, a Tibetan language teacher, gives lessons at a primary school in Yushu, April 13, 2011. Cai, who was pregnant at the time of the quake last year, lost her baby as a result of frantic efforts to rescue students trapped under the debris. She returned to teaching just two weeks later. [Photo/Xinhua]