The Thousand-Buddha Grottoes, a famous tourism destination, is seen empty at Kizil, northwest China's Xinjiang Uygur Autonomous Region, July 12, 2009. Some 1,450 tour groups involving 84,940 travelers, which includes 4,396 tourists from overseas, cancelled their plans to visit Xinjiang due to the July 5 riot, according to the latest figure from Xinjiang Uygur Autonomous Regional Department of Tourism.