DISCOVER ALONE · FRACTAL
Man-made underground passage
Man-made underground passage in Allardstown (louth By)
County Louth, Ireland
Allardstown holds a man-made underground passage, remembered locally as a cave rather than a natural wonder. That small distinction matters: someone dug, cut or shaped the earth there…
They sit almost directly above and below each other on the map.
One real place leads to another.