This image of simple geometry is ineligible for copyright and therefore in the public domain, because it consists entirely of information that is common property and contains no original authorship.
Original upload log
This image is a derivative work of the following images:
2013-01-17T01:37:45Z Tuvalkin 500x500 (3785 Bytes) == {{int:filedesc}} == {{Information |Description={{en|disused tunnel rail line from right at angle over symmetrical line to the same direction}} {{de|siehe [[:de:Wikipedia:Formatvorlage Bahnstrecke|Formatvorlage Bahnstrecke]
== {{int:filedesc}} == {{Information |Description={{en|disused tunnel rail line from right at angle under symmetrical line to the same direction}} {{de|siehe Formatvorlage Bahnstrecke}} |Source={{Derived from...