Stone Age Herbalist on Twitter: "Laser scans reveal mysterious Iron Age tunnels in Scotland. "Perhaps they were for storage, such as grain or dairy products like cheese... perhaps they were for security,
![More than a Dozen Mysterious Prehistoric Tunnels in Cornwall, England, Mystify Researchers | Ancient Origins More than a Dozen Mysterious Prehistoric Tunnels in Cornwall, England, Mystify Researchers | Ancient Origins](https://www.ancient-origins.net/sites/default/files/field/image/Prehistoric-Tunnels.jpg)
More than a Dozen Mysterious Prehistoric Tunnels in Cornwall, England, Mystify Researchers | Ancient Origins
![The entrance to an Iron Age souterrain with a 20 metre underground passage at Kilvaxter in the north of the Isle of Skye, Highland, Scotland UK Stock Photo - Alamy The entrance to an Iron Age souterrain with a 20 metre underground passage at Kilvaxter in the north of the Isle of Skye, Highland, Scotland UK Stock Photo - Alamy](https://c8.alamy.com/comp/2HWYK34/the-entrance-to-an-iron-age-souterrain-with-a-20-metre-underground-passage-at-kilvaxter-in-the-north-of-the-isle-of-skye-highland-scotland-uk-2HWYK34.jpg)
The entrance to an Iron Age souterrain with a 20 metre underground passage at Kilvaxter in the north of the Isle of Skye, Highland, Scotland UK Stock Photo - Alamy
![The entrance to an Iron Age souterrain with a 20 metre underground passage at Kilvaxter in the north of the Isle of Skye, Highland, Scotland UK Stock Photo - Alamy The entrance to an Iron Age souterrain with a 20 metre underground passage at Kilvaxter in the north of the Isle of Skye, Highland, Scotland UK Stock Photo - Alamy](https://c8.alamy.com/zooms/6/689f2a10eda040c7bb90917482767d9c/2hwyk1n.jpg)