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.
GLOBALink | Railway mechanics safeguard 277-meter-high bridge in SW China
Editor:陈星晓
Source:Xinhua
Updated:2023-02-01 15:13:56
Source:Xinhua
Updated:2023-02-01 15:13:56
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