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Guangzhou Metro Line 18 under construction


Welding sparks are seen on the track of the Guangzhou Metro Line 18 in Guangzhou, south China's Guangdong Province, on Dec. 16, 2020. A total of 122.6 kilometers of railway tracks will need to be laid for the Guangzhou Metro Line 18, a subway line which is under construction with a maximum designed speed of 160 kilometers per hour. (Xinhua/Liu Dawei)

Welding sparks are seen on the track of the Guangzhou Metro Line 18 in Guangzhou, south China’s Guangdong Province, on Dec. 16, 2020. A total of 122.6 kilometers of railway tracks will need to be laid for the Guangzhou Metro Line 18, a subway line which is under construction with a maximum designed speed of 160 kilometers per hour. (Xinhua/Liu Dawei)

Welding sparks are seen on the track of the Guangzhou Metro Line 18 in Guangzhou, south China's Guangdong Province, on Dec. 16, 2020. A total of 122.6 kilometers of railway tracks will need to be laid for the Guangzhou Metro Line 18, a subway line which is under construction with a maximum designed speed of 160 kilometers per hour. (Xinhua/Liu Dawei)

Welding sparks are seen on the track of the Guangzhou Metro Line 18 in Guangzhou, south China’s Guangdong Province, on Dec. 16, 2020. A total of 122.6 kilometers of railway tracks will need to be laid for the Guangzhou Metro Line 18, a subway line which is under construction with a maximum designed speed of 160 kilometers per hour. (Xinhua/Liu Dawei)

Workers work at the construction site of the Guangzhou Metro Line 18 in Guangzhou, south China's Guangdong Province, on Dec. 16, 2020. A total of 122.6 kilometers of railway tracks will need to be laid for the Guangzhou Metro Line 18, a subway line which is under construction with a maximum designed speed of 160 kilometers per hour. (Xinhua/Liu Dawei)

Workers work at the construction site of the Guangzhou Metro Line 18 in Guangzhou, south China’s Guangdong Province, on Dec. 16, 2020. A total of 122.6 kilometers of railway tracks will need to be laid for the Guangzhou Metro Line 18, a subway line which is under construction with a maximum designed speed of 160 kilometers per hour. (Xinhua/Liu Dawei)

A worker measures the flatness of a welded joint on the track at the construction site of the Guangzhou Metro Line 18 in Guangzhou, south China's Guangdong Province, on Dec. 16, 2020. A total of 122.6 kilometers of railway tracks will need to be laid for the Guangzhou Metro Line 18, a subway line which is under construction with a maximum designed speed of 160 kilometers per hour. (Xinhua/Liu Dawei)

A worker measures the flatness of a welded joint on the track at the construction site of the Guangzhou Metro Line 18 in Guangzhou, south China’s Guangdong Province, on Dec. 16, 2020. A total of 122.6 kilometers of railway tracks will need to be laid for the Guangzhou Metro Line 18, a subway line which is under construction with a maximum designed speed of 160 kilometers per hour. (Xinhua/Liu Dawei)

Workers work at the construction site of the Guangzhou Metro Line 18 in Guangzhou, south China's Guangdong Province, on Dec. 16, 2020. A total of 122.6 kilometers of railway tracks will need to be laid for the Guangzhou Metro Line 18, a subway line which is under construction with a maximum designed speed of 160 kilometers per hour. (Xinhua/Liu Dawei)

Workers work at the construction site of the Guangzhou Metro Line 18 in Guangzhou, south China’s Guangdong Province, on Dec. 16, 2020. A total of 122.6 kilometers of railway tracks will need to be laid for the Guangzhou Metro Line 18, a subway line which is under construction with a maximum designed speed of 160 kilometers per hour. (Xinhua/Liu Dawei)

A worker measures the flatness of a welded joint on the track at the construction site of the Guangzhou Metro Line 18 in Guangzhou, south China's Guangdong Province, on Dec. 16, 2020. A total of 122.6 kilometers of railway tracks will need to be laid for the Guangzhou Metro Line 18, a subway line which is under construction with a maximum designed speed of 160 kilometers per hour. (Xinhua/Liu Dawei)

A worker measures the flatness of a welded joint on the track at the construction site of the Guangzhou Metro Line 18 in Guangzhou, south China’s Guangdong Province, on Dec. 16, 2020. A total of 122.6 kilometers of railway tracks will need to be laid for the Guangzhou Metro Line 18, a subway line which is under construction with a maximum designed speed of 160 kilometers per hour. (Xinhua/Liu Dawei)

Zhou Tao (1st R), manager of the rail welding branch of China Railway 11th Bureau Group Third Engineering Co., Ltd., inspects the construction site of the Guangzhou Metro Line 18 in Guangzhou, south China's Guangdong Province, on Dec. 16, 2020. A total of 122.6 kilometers of railway tracks will need to be laid for the Guangzhou Metro Line 18, a subway line which is under construction with a maximum designed speed of 160 kilometers per hour. (Xinhua/Liu Dawei)

Zhou Tao (1st R), manager of the rail welding branch of China Railway 11th Bureau Group Third Engineering Co., Ltd., inspects the construction site of the Guangzhou Metro Line 18 in Guangzhou, south China’s Guangdong Province, on Dec. 16, 2020. A total of 122.6 kilometers of railway tracks will need to be laid for the Guangzhou Metro Line 18, a subway line which is under construction with a maximum designed speed of 160 kilometers per hour. (Xinhua/Liu Dawei)

Sparks fly as a rail mobile flash butt welding machine works on the track of the Guangzhou Metro Line 18 in Guangzhou, south China's Guangdong Province, on Dec. 16, 2020. A total of 122.6 kilometers of railway tracks will need to be laid for the Guangzhou Metro Line 18, a subway line which is under construction with a maximum designed speed of 160 kilometers per hour. (Xinhua/Liu Dawei)

Sparks fly as a rail mobile flash butt welding machine works on the track of the Guangzhou Metro Line 18 in Guangzhou, south China’s Guangdong Province, on Dec. 16, 2020. A total of 122.6 kilometers of railway tracks will need to be laid for the Guangzhou Metro Line 18, a subway line which is under construction with a maximum designed speed of 160 kilometers per hour. (Xinhua/Liu Dawei)

Sparks fly as a rail mobile flash butt welding machine works on the track of the Guangzhou Metro Line 18 in Guangzhou, south China's Guangdong Province, on Dec. 16, 2020. A total of 122.6 kilometers of railway tracks will need to be laid for the Guangzhou Metro Line 18, a subway line which is under construction with a maximum designed speed of 160 kilometers per hour. (Xinhua/Liu Dawei)

Sparks fly as a rail mobile flash butt welding machine works on the track of the Guangzhou Metro Line 18 in Guangzhou, south China’s Guangdong Province, on Dec. 16, 2020. A total of 122.6 kilometers of railway tracks will need to be laid for the Guangzhou Metro Line 18, a subway line which is under construction with a maximum designed speed of 160 kilometers per hour. (Xinhua/Liu Dawei)

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