Image:Smoke ring.jpg

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[edit] Summary

Description	English: A smoke ring, formed with a smoke chamber at Bonn University. Deutsch: Ein Rauchring aus einer Rauchkammer an der Universität Bonn.
Source	Own photograph
Date	created 4. Sep. 2006
Author	Traitor
Permission	Granted by photographer, e.g. me.
Other versions	none

[edit] Licensing

I, the author of this work, hereby publish it under the following licenses:

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License".