An aerial drone photo taken on April 27, 2025 shows workers erecting a box girder at the construction site of a mega bridge in the Hebei section of the Xiong'an-Shangqiu high-speed railway in north China's Hebei Province. Girder erection work in the Hebei section of Xiong'an-Shangqiu high-speed railway was fully completed on Sunday as the last box girder was erected on a mega bridge. The 552-kilometer-long railway will connect Xiong'an in north China's Hebei Province and Shangqiu in central China's Henan Province with a designed speed of 350 kilometers per hour. (Xinhua/Mu Yu)