Some of these paths are twenty to thirty feet deep, and look more like gorges than roads.
A hollow way (chemin creux) at La Meauffe, Manche, France.
The county of Dorset, in particular, is rich in holloways.
Others are more recent, but at least three hundred years old.
A sunken lane in Ille-et-Vilaine, Bretagne, France.
Photo credit:Olybrius/Wikimedia
A sunken lane in Nantes, France.
Photo credit:Jibi44/Wikimedia
The Washwell Lane in Wadhurst, England.
Photo credit:FraserElliot/Flickr
Mill Lane, in Halnaker, England.
Photo credit:Bethany Ciullo/Flickr
A paved sunken lane near Washford, West Somerset, England.
Photo credit:Dave_S/Flickr
A cobbled sunken lane in Clovelly, England.
Photo credit:Andrew/Flickr
Sources:The Dorset Rambler/Orion Magazine/Atlas Obscura/Earth Story