A train is seen at Budapest's underground railway in Budapest, Hungary on May 3, 2021. Hungary's capital Budapest on Monday celebrated the 125th birthday of its underground railway, which was the first of its kind in mainland Europe and is the world's second-oldest after the London Underground. (Photo by Attila Volgyi/Xinhua)
Mainland Europe's first underground railway turns 125 in Budapest
Source: Xinhua| 2021-05-04 00:32:12|Editor: huaxia