Railway maintenance workers ensure smooth operation of signal equipment in S China

Qiu Zhichao and his colleagues walk to check equipment along Longli-Liuzhou Railway in Nandan County, south China's Guangxi Zhuang Autonomous Region, on Jan. 30, 2024. Qiu Zhichao, 55, is the foreman of the Nandan signal section of China Railway Nanning Bureau Group Co., Ltd. Qiu and a group of colleagues with an average age of 45 years old have worked for years to ensure the smooth operation of signal equipment at five stations and the Nandan signal section along the railway line. (Xinhua/Cao Yiming)

Qiu Zhichao (2nd R) and his colleagues stand guard at a station of Longli-Liuzhou Railway in Nandan County, south China's Guangxi Zhuang Autonomous Region, on Jan. 30, 2024. Qiu Zhichao, 55, is the foreman of the Nandan signal section of China Railway Nanning Bureau Group Co., Ltd. Qiu and a group of colleagues with an average age of 45 years old have worked for years to ensure the smooth operation of signal equipment at five stations and the Nandan signal section along the railway line. (Xinhua/Cao Yiming)

Qiu Zhichao inspects a signal device on Longli-Liuzhou Railway in Nandan County, south China's Guangxi Zhuang Autonomous Region, on Jan. 30, 2024. Qiu Zhichao, 55, is the foreman of the Nandan signal section of China Railway Nanning Bureau Group Co., Ltd. Qiu and a group of colleagues with an average age of 45 years old have worked for years to ensure the smooth operation of signal equipment at five stations and the Nandan signal section along the railway line. (Xinhua/Cao Yiming)

Qiu Zhichao (1st R) assigns tasks at a station of Longli-Liuzhou Railway in Nandan County, south China's Guangxi Zhuang Autonomous Region, on Jan. 30, 2024. Qiu Zhichao, 55, is the foreman of the Nandan signal section of China Railway Nanning Bureau Group Co., Ltd. Qiu and a group of colleagues with an average age of 45 years old have worked for years to ensure the smooth operation of signal equipment at five stations and the Nandan signal section along the railway line. (Xinhua/Cao Yiming)

Qiu Zhichao (1st L) and his colleagues inspect a device on Longli-Liuzhou Railway in Nandan County, south China's Guangxi Zhuang Autonomous Region, on Jan. 30, 2024. Qiu Zhichao, 55, is the foreman of the Nandan signal section of China Railway Nanning Bureau Group Co., Ltd. Qiu and a group of colleagues with an average age of 45 years old have worked for years to ensure the smooth operation of signal equipment at five stations and the Nandan signal section along the railway line. (Xinhua/Cao Yiming)

Qiu Zhichao inspects the track along Longli-Liuzhou Railway in Nandan County, south China's Guangxi Zhuang Autonomous Region, on Jan. 30, 2024. Qiu Zhichao, 55, is the foreman of the Nandan signal section of China Railway Nanning Bureau Group Co., Ltd. Qiu and a group of colleagues with an average age of 45 years old have worked for years to ensure the smooth operation of signal equipment at five stations and the Nandan signal section along the railway line. (Xinhua/Cao Yiming)

Qiu Zhichao and his colleagues inspect the circuit equipment along Longli-Liuzhou Railway in Nandan County, south China's Guangxi Zhuang Autonomous Region, on Jan. 30, 2024. Qiu Zhichao, 55, is the foreman of the Nandan signal section of China Railway Nanning Bureau Group Co., Ltd. Qiu and a group of colleagues with an average age of 45 years old have worked for years to ensure the smooth operation of signal equipment at five stations and the Nandan signal section along the railway line. (Xinhua/Cao Yiming)

Qiu Zhichao (1st L) and his colleagues have a break near a station of Longli-Liuzhou Railway in Nandan County, south China's Guangxi Zhuang Autonomous Region, on Jan. 30, 2024. Qiu Zhichao, 55, is the foreman of the Nandan signal section of China Railway Nanning Bureau Group Co., Ltd. Qiu and a group of colleagues with an average age of 45 years old have worked for years to ensure the smooth operation of signal equipment at five stations and the Nandan signal section along the railway line. (Xinhua/Cao Yiming)

Qiu Zhichao (3rd R) and his colleagues pose for group photos near a station of Longli-Liuzhou Railway in Nandan County, south China's Guangxi Zhuang Autonomous Region, on Jan. 30, 2024. Qiu Zhichao, 55, is the foreman of the Nandan signal section of China Railway Nanning Bureau Group Co., Ltd. Qiu and a group of colleagues with an average age of 45 years old have worked for years to ensure the smooth operation of signal equipment at five stations and the Nandan signal section along the railway line. (Xinhua/Cao Yiming)