![M3 Cityringen is Copenhagen Metro's new metro line, which is a 15.5 km underground railway with 17 brand new stations in Copenhagen. (Photo credit: Gonzales Photo - Astrid Maria Rasmussen Stock Photo - Alamy M3 Cityringen is Copenhagen Metro's new metro line, which is a 15.5 km underground railway with 17 brand new stations in Copenhagen. (Photo credit: Gonzales Photo - Astrid Maria Rasmussen Stock Photo - Alamy](https://c8.alamy.com/comp/2A2CE38/m3-cityringen-is-copenhagen-metros-new-metro-line-which-is-a-155-km-underground-railway-with-17-brand-new-stations-in-copenhagen-photo-credit-gonzales-photo-astrid-maria-rasmussen-2A2CE38.jpg)
M3 Cityringen is Copenhagen Metro's new metro line, which is a 15.5 km underground railway with 17 brand new stations in Copenhagen. (Photo credit: Gonzales Photo - Astrid Maria Rasmussen Stock Photo - Alamy
![Copenhagen, Zealand Denmark - 29 9 2019: People Trying New M3 Cityringen Metro Line. Gammel Strand Station Editorial Image - Image of illustrative, scandinavia: 159788835 Copenhagen, Zealand Denmark - 29 9 2019: People Trying New M3 Cityringen Metro Line. Gammel Strand Station Editorial Image - Image of illustrative, scandinavia: 159788835](https://thumbs.dreamstime.com/z/copenhagen-zealand-denmark-people-trying-new-m-cityringen-metro-line-gammel-strand-station-159788835.jpg)
Copenhagen, Zealand Denmark - 29 9 2019: People Trying New M3 Cityringen Metro Line. Gammel Strand Station Editorial Image - Image of illustrative, scandinavia: 159788835
![CITYRINGEN: THE NEW METRO RING IN THE CENTRE OF COPENHAGEN – SETIN SRL – Servizi Tecnici Infrastrutture CITYRINGEN: THE NEW METRO RING IN THE CENTRE OF COPENHAGEN – SETIN SRL – Servizi Tecnici Infrastrutture](http://www.setinsrl.eu/wp-content/uploads/photo-gallery/Cityringen_4.jpg?bwg=1601555050)
CITYRINGEN: THE NEW METRO RING IN THE CENTRE OF COPENHAGEN – SETIN SRL – Servizi Tecnici Infrastrutture
![M3 Cityringen is Copenhagen Metro's new metro line, which is a 15.5 km underground railway with 17 brand new stations in Copenhagen. Here Østerport Station. (Photo credit: Gonzales Photo - Helena Lundquist M3 Cityringen is Copenhagen Metro's new metro line, which is a 15.5 km underground railway with 17 brand new stations in Copenhagen. Here Østerport Station. (Photo credit: Gonzales Photo - Helena Lundquist](https://c8.alamy.com/comp/2A4AGEB/m3-cityringen-is-copenhagen-metros-new-metro-line-which-is-a-155-km-underground-railway-with-17-brand-new-stations-in-copenhagen-here-sterport-station-photo-credit-gonzales-photo-helena-lundquist-2A4AGEB.jpg)