Flexity No. 4020 (line M2 to Am Strausberg) and 4005 (line M2
to Heinersdorf), both of the 6-axle bidirectional version.
Berlin Alexanderplatz, 2014-09-24.
<p>
<a href="mailto:tbk.uncia@gmail.com">tobias b k&ouml;hler</a>