Politicians in Berlin are calling for the introduction of express lines on the city’s underground rail (U-Bahn) network. The transport authority (BVG) is sceptical of the plan. Unlike train lines in ...

This summer, I took a Global Seminar in Berlin, Germany. My favorite part of the experience was taking the Berlin subway — the acronym in German is BVG — to little corners of serendipity in the city.

The entrances to the subway tracks at Alexanderplatz are barred due to an all-day warning strike on February 29th and March 1st until 2 pm. Photo: picture alliance/dpa | Jörg Carstensen Public ...