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:
2013-01-15T14:17:43Z Tuvalkin 500x500 (3754 Bytes) fixed for faulty svg2png rendering, and tweaked gaps to match crossing middle, as discussed
2013-01-15T04:34:31Z Tuvalkin 500x500 (796 Bytes) == {{int:filedesc}} == {{Information |Description={{en|disused tunnel rail line from left at angle iver symmetrical line in the opposite direction}} {{de|siehe [[:de:Wikipedia:Formatvorlage Bahnstrecke|Formatvorlage Bahnstrec
== {{int:filedesc}} == {{Information |Description={{en|disused tunnel rail line from right at angle over symmetrical line to the same direction}} {{de|siehe Formatvorlage Bahnstrecke}} |Source={{Derived from|...