File talk:Observation deck at Cologne Bonn Airport, Terminal 1-6455.jpg

This file has been used in: Who remembers visiting the observation deck at the airport? (in en). travelupdate.com (2021-11-06). Retrieved on 2021-11-15. Name ok, no license, "via Wikimedia Commons", Raymond 20:35, 15 November 2021 (UTC), web.archives.org