Labor behind the world's tallest bridge in Guizhou

At the project's inception, the average age of the project management team was 28, with over 90 percent being under 35. Young workers have been integral in many challenging tasks, from the initial survey team braving high temperatures, dense forests, and cliffs in the summer of 2020, to welders completing millimeter-precision welding in strong canyon winds.

Wang Songyu, the deputy project manager, recalls crews working around the clock in shifts in order to complete the main tower top-off. "It was like passing the baton," Wang said. "The sound of the late-night meal delivery truck rolling over the steel plates is unforgettable."