Cyclopean walls: irregular stones, no mortar, fitted together with remarkable precision. Found in Mycenaean Greece and ancient Mediterranean architecture. The technique's origins and disappearance remain subjects of archaeological debate.
Cyclopean structures defined as walls built without squared blocks

Key facts
- Cyclopean structures are made without squared blocks, unlike typical structures built with square blocks
- They use odd shapes fitted together without mortar
- This construction method is more complex, takes longer, and requires skilled workmanship
- The phenomenon appears in many places around the world including Peru, Italy, Greece, and Portugal
- Cyclopean walls are strong and resistant to water, earthquakes, and fire
- The technique suddenly disappeared without explanation in the archaeological record
Sources
Cyclopean masonry | Ancient, Stone, Architecture - Britannicabritannica.com
Cyclopean masonry, wall constructed without mortar, using enormous blocks of stone. This technique was employed in fortifications.
Cyclopean masonry - Wikipediaen.wikipedia.org
Cyclopean masonry is a type of stonework found in Mycenaean architecture, built with massive limestone boulders, roughly fitted together with minimal clearance
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