File talk:Grünanlage Theodor-Heuss-Ring Köln mit Ringturm-8182.jpg

This file has been used in: KlausDiggy (2015-06-01). List of all 100m highrise buildings in Germany (in de). skyscrapercity.com. Retrieved on 2015-06-03. web.archive.org

This file has been used in: KlausDiggy (2014-06-14). Liste der 300 höchsten Hochhäuser in Deutschland (in de). skyscrapercity.com. Retrieved on 2015-07-27. web.archive.org