A technician of Breitling Jet Team, a famous European aerobatic team, checks the aircraft at the Yinchuan Hedong International Airport in Yinchuan, capital of northwest China's Ningxia Hui autonomous region, Aug. 11, 2013. The team will give performances at Karamay city in northwest China's Xinjiang Uyghur autonomous region, during its tour in China. [Photo/Xinhua]

A working staff refuels the aircraft of Breitling Jet Team, a famous European aerobatic team, at the Jiayuguan International Airport in Jiayuguan City, northwest China's Gansu Province, Aug. 11, 2013. The team will give performance at Jiayuguan City in Gansu and Karamay City in northwest China's Xinjiang Uyghur autonomous region during its tour in China.[Photo/Xinhua]