Day and night, railway workers crawl up 277 meters high to patrol over a major high-speed railway bridge in China's Guizhou to safeguard its safety.
Produced by Xinhua Global Service
Source: Xinhua
Editor: huaxia
2023-01-31 17:09:03
Day and night, railway workers crawl up 277 meters high to patrol over a major high-speed railway bridge in China's Guizhou to safeguard its safety.
Produced by Xinhua Global Service