DescriptionLuftbild Glaselefant.jpg Luftbildaufnahme Hamm Date 2007 Source Hamm-Wiki (http://www.hamm1.de/) Author Tim Reckmann Permission (Reusing this
DescriptionGlaselefant (02).jpg Hamm, Germany Date Taken on 31 January 2016 Source https://web.archive.org/web/20161031173944/http://www.panoramio.com/photo/127699059