A Z-20 helicopter attached to a brigade under the Chinese PLA 71st Group Army lifts up from the apron during a round-the-clock flight training exercise on December 3, 2024. (eng.chinamil.com.cn/Photo by Zeng Yuxuan)12月3日，第71集团军某旅开展跨昼夜飞行训练。（英文中国军网/曾宇轩 摄）