Aerial photo taken on October 10, 2019 shows the Xiongan Station of Beijing-Xiongan intercity high-speed railway under construction in Xiongan New Area, north China's Hebei Province. The major structure underground will soon be completed and workers now moves to the construction above ground. (Photo/Xinhua)
Railway builders work at the construction site of Xiongan Station of Beijing-Xiongan intercity high-speed railway in Xiongan New Area, north China's Hebei Province, October 10, 2019. Covering an area of 470,000 square meters, Xiongan Station is consisted of three floors above ground and two floors beneath ground. (Photo/Xinhua)
Railway builders work at the construction site of Xiongan Station of Beijing-Xiongan intercity high-speed railway in Xiongan New Area, north China's Hebei Province, October 10, 2019. Covering an area of 470,000 square meters, Xiongan Station is consisted of three floors above ground and two floors beneath ground. (Photo/Xinhua)
Railway builders work at the construction site of Xiongan Station of Beijing-Xiongan intercity high-speed railway in Xiongan New Area, north China's Hebei Province, October 10, 2019. Covering an area of 470,000 square meters, Xiongan Station is consisted of three floors above ground and two floors beneath ground. (Photo/Xinhua)
Railway builders work at the construction site of Xiongan Station of Beijing-Xiongan intercity high-speed railway in Xiongan New Area, north China's Hebei Province, October 10, 2019. Covering an area of 470,000 square meters, Xiongan Station is consisted of three floors above ground and two floors beneath ground. (Photo/Xinhua)