Tourists riding on camels visit Mingsha Mountain scenery zone in Dunhuang, northwest China's Gansu Province, June 24, 2011. Tourist volume and tourism industry income of the city reached 482,000 and 410 million RMB yuan (about 63.34 million U.S. dollars) respectively in the first five months of this year, 41 percent and 102.5 percent higher than the same period of the previous year respectively.[Photo/Xinhua]