Concert· Freiburg Im Breisgau
Köln
**Köln** (Cologne) is Germany's fourth-largest city, located in North Rhine-Westphalia along the Rhine River. It is famous for its iconic Gothic cathedral (the Kölner Dom, a UNESCO World Heritage Site), its vibrant carnival celebrations, and its rich history dating back to Roman times. *Note: Your message contained only "Köln," so I wasn't sure if you were referring to the city itself or a specifi