Martin M. Miles' photos with the keyword: U.Bahn

The Nollendorfplatz subway station is the only subway station where all four subway lines (U1 to U4) of the Berlin U-Bahn stop. The station consists of an elevated station with a large domed structure, where U2 trains stop, and a two-level underground station (U1, U3, and U4). The elevated station was opened in 1902 as a station on Berlin's first elevated line.