Technicians operate an unmanned submersible for checking piers of a bridge of Chengdu-Guiyang High-Speed Railway in Guiyang, southwest China\’s Guizhou Province, Feb. 19, 2024. (Xinhua/Liu Xu)
GUIYANG,
Enjoy life, Inspiring work
Enjoy life, Inspiring work
Technicians operate an unmanned submersible for checking piers of a bridge of Chengdu-Guiyang High-Speed Railway in Guiyang, southwest China\’s Guizhou Province, Feb. 19, 2024. (Xinhua/Liu Xu)
GUIYANG,