Villagers take their cattle to grazing grounds on a tractor on May 11, in Nyingchi prefecture, Tibet autonomous region. The Lhoba people make up the smallest ethnic group in China. In 1959, the Lhoba people were still living in primitive communes with low levels of production. Currently they are living a more modern life. [Photo/Xinhua]

Two children play outside, May 12, in Nyingchi prefecture, Tibet autonomous region. The Lhoba people make up the smallest ethnic group in China. In 1959, the Lhoba people were still living in primitive communes with low levels of production. Currently they are living a more modern life. [Photo/Xinhua]

A Lhoba pupil takes a computer class in school on May 11, in Nyingchi prefecture, Tibet autonomous region. She says she enjoys the computer classes because she can email her sister, who is studying in Beijing. The Lhoba people make up the smallest ethnic group in China. In 1959, the Lhoba people were still living in primitive communes with low levels of production. Currently they are living a more modern life. [Photo/Xinhua]