A passenger experiences the new palm-swipe ride system in Beijing, May 21, 2023. [Beijing Youth Daily/VCG]

An innovative palm-swipe technology was applied on the Beijing Daxing Airport Express on May 21, 2023. The milestone ushers in an exciting era for the Beijing subway, enabling passengers to access the Daxing Airport Express simply by swiping their palms. No cards or mobile phones are required, offering travelers an enhanced level of convenience made possible by technological progress.