Somewhere in the farmland of Maulagow townland in West Cork, a modern boundary does exactly that, arcing as though the farmer who laid it out understood, or at least sensed, that something older had a prior claim to the space.

The site is a cashel, the Irish term for a ringfort enclosed by a stone wall rather than an earthen bank. These were typically the fortified farmsteads of early medieval Ireland, in use roughly between the fifth and twelfth centuries, though the form has much older roots. This particular example sits on a gentle west-facing slope, its roughly circular interior measuring about seventeen metres north to south and sixteen metres east to west. The enclosing wall stands to around 1.8 metres in height and is about a metre thick, but it was not built from scratch; it sits directly on top of the remains of an earlier wall, meaning the site was rebuilt or reinforced at some point after its original construction. The interior is heavily overgrown, which is common enough on sites that have been undisturbed for centuries, but what makes this cashel slightly more intriguing is that hint of a second enclosure immediately to the east. The field fence arcs around an area of similarly dense growth, suggesting that a second enclosed space once existed alongside the main cashel, though its boundaries are no longer clearly defined on the ground.