With its 155 kilometres of lines and 175 stations, the Berlin underground is the largest in Germany and transports one billion city residents and visitors a year. Some Berliners like to explore and play in this subterranean labyrinth…
With its 155 kilometres of lines and 175 stations, the Berlin underground is the largest in Germany and transports one billion city residents and visitors a year. Some Berliners like to explore and play in this subterranean labyrinth…