Exterior of the Metro Subway Underground Station Alexanderplatz, Berlin https://www.rawpixel.com/image/519920/free-photo-image-architecture-alexander-platz-alexanderplatzFree Image from public domain licenseFriedrichstraße, Berlin, Germany. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3290431/free-photo-image-train-germany-architecture-berlinFree Image from public domain license