![M1 metro line is the first metro line in Budapest and was the first underground railway line in the Europe as well.The subway car at Vorosmarty square Stock Photo - Alamy M1 metro line is the first metro line in Budapest and was the first underground railway line in the Europe as well.The subway car at Vorosmarty square Stock Photo - Alamy](https://c8.alamy.com/comp/2BXHBYD/m1-metro-line-is-the-first-metro-line-in-budapest-and-was-the-first-underground-railway-line-in-the-europe-as-wellthe-subway-car-at-vorosmarty-square-2BXHBYD.jpg)
M1 metro line is the first metro line in Budapest and was the first underground railway line in the Europe as well.The subway car at Vorosmarty square Stock Photo - Alamy
![Istanbul to increase capacity on Line M1 | Metro Report International | Railway Gazette International Istanbul to increase capacity on Line M1 | Metro Report International | Railway Gazette International](https://d1c4d7gnm6as1q.cloudfront.net/Pictures/2000xAny/0/7/2/20072_tn_tr-istanbul_metro_line_m1_b_zelki_2.jpg)
Istanbul to increase capacity on Line M1 | Metro Report International | Railway Gazette International
![M1 metro line is the first metro line in Budapest and was the first underground railway line in the Europe as well.The subway car at Vorosmarty square Stock Photo - Alamy M1 metro line is the first metro line in Budapest and was the first underground railway line in the Europe as well.The subway car at Vorosmarty square Stock Photo - Alamy](https://c8.alamy.com/comp/2BXHBRF/m1-metro-line-is-the-first-metro-line-in-budapest-and-was-the-first-underground-railway-line-in-the-europe-as-wellthe-subway-car-at-vorosmarty-square-2BXHBRF.jpg)
M1 metro line is the first metro line in Budapest and was the first underground railway line in the Europe as well.The subway car at Vorosmarty square Stock Photo - Alamy
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