Tourists are seen at Potala Palace Square in Lhasa, southwest China's Tibet Autonomous Region, July 10, 2011. Tourist arrivals to Lhasa rose by 42.13 percent year-on-year to reach 1.22 million in the first half of 2011, bringing in more than 1.18 billion yuan (182 million U.S. dollars) in revenue, according to the statistics released by the Lhasa Tourism Administration recently.[Photo/Xinhua]