Wall may indicate first site of Roman Paris

[Duncan Head]

https://www.theguardian.com/world/2026/sep/23/ancient-wall-paris-first-settlement-archaeology-roman

[Jim Webster]

I suspect it's the site of the forge of Metallurgix, the maker of the finest golden sickles, who of course lived in Lutetia 
But it does show one problem finding exactly where ancient cities were when the modern successor sprawls so much