Video argues Fermín de Rueda revived cyclopean dry-stone masonry at Roncesvalles

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Key facts

• Fermín de Rueda was born in Salamanca in 1727 and died around 1810, not 1744–1793.
• He was a senior Spanish military engineer who eventually became director general of the Royal Corps of Engineers.
• His Roncesvalles work concerned the route between France and Navarre, where the pass is in Navarre rather than the Basque Country.
• The video, not established biographical or archaeological sources, presents the fortification’s dry-stone construction as a deliberate revival of ancient cyclopean masonry.
• The proposed links to Yecla la Vieja, Merchanas, Ulaca and Peruvian cyclopean works remain the video’s speculative explanation.
• The cited sources do not establish that non-hydraulic mortar was chosen because it was scarce or expensive, that the walls proved resistance to cannon fire, or that no other star fort used comparable construction.

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