This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Lwenklau Schlangensule. de Darstellung der Schlangensule in Istanbul mit Obelisk Bildarchiv Austria bildarchivaustria at aspx piBildID Johannes Lwenklau Manuskriptseite Fol des Cod der sterreichischen Nationalbibliothek Wien Austrian National Library manuscripts Serpent Column in art Obelisk of Theodosius PDold