A high-speed train runs through a viaduct on the Rizhao-Lankao high-speed railway line in Lankou county, Central China's Henan Province, on July 18, 2024. The railway, which reached full operation for the first time on that day, links Rizhao in East China's Shandong Province and Lankao, offering a travel time for the nearly 500-kilometer journey of two hours and a half, compared with about five hours by car. Photo: VCG