PLA's 'Thunder' aerobatic team debuts at China Helicopter Expo (7/8)

Pilots Zhu Yanjun (R, front) and Jin Jiangcheng from the "Thunder" aerobatic team of the Chinese People's Liberation (PLA) Army Aviation talk with each other after an air show in Tianjin, north China, Sept. 8, 2013. The team made its debut during the 2nd China Helicopter Exposition. (Xinhua/Yang Guang