The Technology Before the Wheel: A Brief History of Dry Stone Construction,© Fabricio Guzmán

The Technology Before the Wheel: A Brief History of Dry Stone Construction,© <a href='https://en.wikipedia.org/wiki/File:Broch_of_Mousa_-_geograph.org.uk_-_2800.jpg'>Anne Burgess</a> licensed under <a href='https://creativecommons.org/licenses/by-sa/2.0/deed.en'>CC BY-SA 2.0</a>

The Technology Before the Wheel: A Brief History of Dry Stone Construction,© Iwan Baan

The Technology Before the Wheel: A Brief History of Dry Stone Construction,© Iwan Baan

The Technology Before the Wheel: A Brief History of Dry Stone Construction,© Laurian Ghinitoiu

The Technology Before the Wheel: A Brief History of Dry Stone Construction,© <a href='https://en.wikipedia.org/wiki/File:Dry_Stone_wall_building.JPG'>TR001</a> licensed under <a href='https://creativecommons.org/licenses/by-sa/3.0/deed.en'>CC BY-SA 3.0</a>

The Technology Before the Wheel: A Brief History of Dry Stone Construction,© <a href='https://commons.wikimedia.org/wiki/File:Mycenae_lion_gate_dsc06382.jpg'>David Monniaux</a> licensed under <a href='https://creativecommons.org/licenses/by-sa/3.0/deed.en'>CC BY-SA 3.0</a>

The Technology Before the Wheel: A Brief History of Dry Stone Construction,© <a href='https://en.wikipedia.org/wiki/File:Inka_mauern_cuzco.jpg'>Alexander Fiebrandt</a> licensed under <a href='https://creativecommons.org/licenses/by-sa/3.0/deed.en'>CC BY-SA 3.0</a>

The Technology Before the Wheel: A Brief History of Dry Stone Construction,© Jan Derk

The Technology Before the Wheel: A Brief History of Dry Stone Construction,© <a href='https://en.wikipedia.org/wiki/File:3.-Pedra_en_sec_(26051155523).jpg'>Museu Valencià d'Etnologia</a> licensed under <a href='https://creativecommons.org/licenses/by-sa/2.0/deed.en'>CC BY-SA 2.0</a>

The Technology Before the Wheel: A Brief History of Dry Stone Construction,© <a href='https://en.wikipedia.org/wiki/File:Galloway_Dyke_on_Fetlar.jpg'>RobertSimons</a> licensed under <a href='https://creativecommons.org/licenses/by-sa/3.0/deed.en'>CC BY-SA 3.0</a>

The Technology Before the Wheel: A Brief History of Dry Stone Construction

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The Technology Before the Wheel: A Brief History of Dry Stone Construction