Fra den engelske wikipedia "Aqueduct" - "Aqua Claudia" aqueduct.  From 1911 Encyc Brittanica.
Original uploader was <a href="https://da.wikipedia.org/wiki/User:Glenn" class="extiw" title="da:User:Glenn">Glenn</a> at <a class="external text" href="https://da.wikipedia.org">da.wikipedia</a>
7 September 2003 (original upload date)
Originally from <a class="external text" href="https://da.wikipedia.org">da.wikipedia</a>; description page is/was <a class="external text" href="https://da.wikipedia.org/w/index.php?title=Image%3AAqueduct-aqua-claudia.jpg">here</a>.