People visit the 6th China Helicopter Exposition in north China's Tianjin Municipality, Sept. 14, 2023. The 6th China Helicopter Exposition opened here on Thursday, highlighting innovation, development and win-win cooperation. Spanning an exhibition area of approximately 160,000 square meters, the four-day expo has a total of 65 helicopters and unmanned aerial vehicles (UAVs) on display, drawing over 350 exhibitors, including many major global helicopter manufacturers. (Xinhua/Zhao Zishuo)
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