![Budapest, Hungary. The "A" line (Yellow line) of the underground enters a station. The A line is the second oldest electric underground in the world Stock Photo - Alamy Budapest, Hungary. The "A" line (Yellow line) of the underground enters a station. The A line is the second oldest electric underground in the world Stock Photo - Alamy](https://c8.alamy.com/comp/HTE0DE/budapest-hungary-the-a-line-yellow-line-of-the-underground-enters-HTE0DE.jpg)
Budapest, Hungary. The "A" line (Yellow line) of the underground enters a station. The A line is the second oldest electric underground in the world Stock Photo - Alamy
![Premium Photo | Budapest,hungary-may 02,2016:interior of metro station in budapest. yellow (1 line) it is the oldest electrified underground railway system on the european continent. Premium Photo | Budapest,hungary-may 02,2016:interior of metro station in budapest. yellow (1 line) it is the oldest electrified underground railway system on the european continent.](https://img.freepik.com/premium-photo/budapest-hungary-may-02-2016-interior-metro-station-budapest-yellow-1-line-it-is-oldest-electrified-underground-railway-system-european-continent_501530-7537.jpg)
Premium Photo | Budapest,hungary-may 02,2016:interior of metro station in budapest. yellow (1 line) it is the oldest electrified underground railway system on the european continent.
![BUDAPEST, HUNGARY - JUNE 05, 2016: Underground Station From The "Yellow Line" In Budapest. It Is The Oldest Electrified Underground Line In Europe And In Constant Operation Since 1896. Stock Photo, Picture BUDAPEST, HUNGARY - JUNE 05, 2016: Underground Station From The "Yellow Line" In Budapest. It Is The Oldest Electrified Underground Line In Europe And In Constant Operation Since 1896. Stock Photo, Picture](https://previews.123rf.com/images/thomasm63/thomasm631704/thomasm63170400017/77362062-budapest-hungary-june-05-2016-underground-station-from-the-yellow-line-in-budapest-it-is-the.jpg)
BUDAPEST, HUNGARY - JUNE 05, 2016: Underground Station From The "Yellow Line" In Budapest. It Is The Oldest Electrified Underground Line In Europe And In Constant Operation Since 1896. Stock Photo, Picture
![Old Vintage Yellow Train In Budapest Hungary On The Electric Line Stock Photo - Download Image Now - iStock Old Vintage Yellow Train In Budapest Hungary On The Electric Line Stock Photo - Download Image Now - iStock](https://media.istockphoto.com/id/1462071176/photo/old-vintage-yellow-train-in-budapest-hungary-on-the-electric-line.jpg?s=1024x1024&w=is&k=20&c=1rXnpYkPBPHsrPW1OPEiahTqXo07EEDta2AxS3HQ5DY=)