which cities in Italy&#x2F;Europe you consider to have a very square, ordinary layout?<p>Off the top of my head I cannot think of a single city with a square structure, or where castrum and decuman still exist[0].<p>[0] i.e. Manchester <a href="https:&#x2F;&#x2F;www.google.hu&#x2F;maps&#x2F;place&#x2F;Manchester,+UK&#x2F;@53.479099,-2.2449683,15.01z&#x2F;data=!4m2!3m1!1s0x487a4d4c5226f5db:0xd9be143804fe6baa?hl=en" rel="nofollow">https:&#x2F;&#x2F;www.google.hu&#x2F;maps&#x2F;place&#x2F;Manchester,+UK&#x2F;@53.479099,-...</a>  does not look square at all, even though the &quot;-chester&quot; part derives from &quot;castrum&quot; and there is something resembling a cross in part of it.