Five SU-27 fighter jets fly over Hehua Airport in Zhangjiajie of central China's Hunan Province on March 17, 2006. The Russian aerobatic team "Russian Knights" launched its first aerobatic show at Zhangjiajie National Forest Park on Friday.

Five SU-27 fighter jets fly over Hehua Airport in Zhangjiajie of central China's Hunan Province on March 17, 2006. The Russian aerobatic team "Russian Knights" launched its first aerobatic show at Zhangjiajie National Forest Park on Friday.

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