![](http://www.ecns.cn/hd/2023/07/07/698af80b18da4af8ae258704b2305d58.jpg)
Railway workers endure extreme heat to conduct maintenance work in Nanyang, central China's Henan Province, July 6, 2023. (Photo: China News Service/Zhang Zhonghai)
A team of 16 workers toils outdoors to guarantee railway safety amid heat wave as temperatures of the railway track can reach nearly 50 degree Celsius.
![](http://www.ecns.cn/hd/2023/07/07/c13d83a1523645d79126f70133bfcf62.jpg)
Railway workers endure extreme heat to conduct maintenance work in Nanyang, central China's Henan Province, July 6, 2023. (Photo: China News Service/Zhang Zhonghai)
![](http://www.ecns.cn/hd/2023/07/07/e4b12b1c2a834272b865e016282a85e0.jpg)
Railway workers endure extreme heat to conduct maintenance work in Nanyang, central China's Henan Province, July 6, 2023. (Photo: China News Service/Zhang Zhonghai)
![](http://www.ecns.cn/hd/2023/07/07/480fb375222c41af9b30af25b79c20b4.jpg)
Railway workers endure extreme heat to conduct maintenance work in Nanyang, central China's Henan Province, July 6, 2023. (Photo: China News Service/Zhang Zhonghai)
![](http://www.ecns.cn/hd/2023/07/07/c56ca27a49c64171b031f10e6aa33fe6.jpg)
Railway workers endure extreme heat to conduct maintenance work in Nanyang, central China's Henan Province, July 6, 2023. (Photo: China News Service/Zhang Zhonghai)
![](http://www.ecns.cn/hd/2023/07/07/0f1c092fbe6c47d486add0880786a51a.jpg)
Railway workers endure extreme heat to conduct maintenance work in Nanyang, central China's Henan Province, July 6, 2023. (Photo: China News Service/Zhang Zhonghai)