Builders of China Railway 12th Bureau Group work on the Huangcun section of the Beijing-Xiongan intercity railway in Beijing, capital of China, April 12, 2019. At present, Beijing section of Beijing-Xiongan intercity railway is ready for laying tracks. (Photos: Xinhua)

A builder of China Railway 12th Bureau Group works on the Huangcun section of the Beijing-Xiongan intercity railway in Beijing, capital of China, April 12, 2019.

A builder of China Railway 12th Bureau Group works on the Huangcun section of the Beijing-Xiongan intercity railway in Beijing, capital of China, April 12, 2019.

Builders of China Railway 12th Bureau Group work on the Huangcun section of the Beijing-Xiongan intercity railway in Beijing, capital of China, April 12, 2019.

Builders of China Railway 12th Bureau Group work on the Huangcun section of the Beijing-Xiongan intercity railway in Beijing, capital of China, April 12, 2019.