5 things about Cologne you will not find in any city guide

(UPDATED JUNE 2017) Cologne (or Koeln in German) is a great lively city, the 4th biggest in Germany, it is located very close to Belgium. I have visited it during my 30 days Eurail trip around Europe. Check if it was worth the money here. After I arrived, I immdeiately had an impression it is [...]