A worker operates a machine to lay a steel rail at the construction site of the Budapest-Belgrade railway in Kunszentmiklos, Hungary, on May 30, 2023. Against the backdrop of dark skies, pouring rain, thunder, and lightning, the arduous task of laying rails for the Chinese-built section in Hungary of the Budapest-Belgrade railway project got underway here on Tuesday, marking a significant milestone in the project. (Photo by Attila Volgyi/Xinhua)