Tourism boom opens the road to riches

Hu Yongqi and Li Yingqing report in Shangri-La, Yunnan, on Tibetans' quest for a better life.

For the past two months, people living in the Gangchu River valley near Nyishar, a township in Yunnan province, have become accustomed to seeing the tall, portly figure of Sonam Dingdzog.

Sonam strides across the fields as he directs operations to clear rocks brought crashing down from the mountains by two earthquakes in August.