In southern Tuscany, there is a mysterious network of old pathways deeply entranced into massive rocks appearing like narrow canyons flanked by stone walls, some of which rise up to twenty meters tall. Some of the pathways connect burial sites and tombs, others lead straight to towns such as Sovana, Sorano and Pitigliano and to nearby fields and streams. Chisel marks are visible all over the rocky surface indicating the laborious process by which these passages were excavated, but for what purpose is a mystery.
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Via Cava in the town of Pitigliano, Italy. Photo credit: ermess/Shutterstock.com
Source: amusingplanet.com