Unter den Linden (Berlin U-Bahn)

Unter den Linden is an U-Bahn station in the central Mitte district of Berlin, at the intersection of Unter den Linden and Friedrichstraße. It is an interchange station between the U5 and U6 U-Bahn lines.

Source: Wikipedia — Unter den Linden (Berlin U-Bahn) (CC BY-SA 4.0)