Participants attend the foundation stone laying ceremony for the Hungarian section of the modernization of Budapest-Belgrade railway in Kiskunhalas, Hungary, on Oct. 15, 2021. The project for the modernization of the Budapest-Belgrade railway was initially agreed on in 2013 at the China-Central and Eastern European countries leaders' meeting in Bucharest. The railway has a total length of 350 km. (Photo by Attila Volgyi/Xinhua)
