🇪🇸 Spain · Megalith
Tholos de El Romeral
Chalcolithic to Early Bronze Age (c.3800–2500 BCE) · Los Millares / Alentejo Chalcolithic (tholos tradition)
Antequera hill tholos (corbelled dome 5.2 m) with 26 m corridor — Mediterranean-type beehive tomb 4 km north of Menga/Viera.