Europe, Germany, Berlin, glass walled passageway in modern building - people commuting - blurred motion
Passageway connecting Underground stations. The Berlin U-Bahn is a rapid transit railway in Berlin and is a major part of the public transport system. Opened in 1902, the U-Bahn serves 173 stations across ten lines.
, capital cities
, colour image
, railway station
, unrecognisable person