Zhao Chunling, the chief designer of China's C929 wide-body aircraft, at the Shanghai Aircraft Design and Research Institute of COMAC, March 5, 2025. /Xinhua

Zhao Chunling (first from right) prepares to enter the C919 engineering simulator with team members, March 5, 2025. /Xinhua

Zhao Chunling (second from right) works with team members inside the C919 engineering simulator, March 5, 2025. /Xinhua

Zhao Chunling gives an introduction inside the cockpit of the C929 display model, March 5, 2025. /Xinhua