This BSicon is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Color for prefix ug. The original can be viewed here: BSicon WTUNNEL.svg: . Modifications made by Civilspanaren.
Licensing
Public domainPublic domainfalsefalse
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:
BSicon WTUNNEL.svg licensed with Cc-by-sa-2.5,2.0,1.0, Cc-by-sa-3.0-migrated, GFDL