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5th China Helicopter Exposition opens in north China's Tianjin

CHINA-TIANJIN-HELICOPTER EXPOSITION-OPENING (CN)

Visitors view an exhibit during the ongoing 5th China Helicopter Exposition in north China's Tianjin, Oct. 10, 2019. The 5th China Helicopter Exposition runs from Oct. 10 to 13. (Xinhua/Li Ran)

[ Editor: WPY ]