People of the Tibetan ethnic group enjoy themselves in tents while having an outing on the outskirts of Lhasa, capital of southwest China's Tibet autonomous region, Aug 5, 2012.[Photo/Xinhua]

People of the Tibetan ethnic group enjoy themselves in tents while having an outing on the outskirts of Lhasa, capital of southwest China's Tibet autonomous region, Aug 5, 2012.[Photo/Xinhua]

People of the Tibetan ethnic group enjoy themselves in tents while having an outing on the outskirts of Lhasa, capital of southwest China's Tibet autonomous region, Aug 5, 2012.[Photo/Xinhua]