From the EN wikipedia http://en.wikipedia.org/wiki/Image:Guywire.jpg original source: Source : https://web.archive.org/web/20051116170231/www.fcc.gov/year2000/tower.html. (thanks Epolk for refinding the source)

www.fcc.gov USA government public domain Mion 08:21, 14 March 2007 (UTC)

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