‘Non-genuine’ dome constructions from layered corbel stone vaults ( Vaults and arches, construction of) are to be found throughout Mediterranean cultures from the 3rd millennium BC; they seem to have entered largely independently the architectural repertory of Minoan Crete (tholos graves at Mesara and Knossos), Mycenaean Greece (‘Treasure-house’ of Atreus in Mycenae; ‘domed grave’ at Orchomenus), Sardinia (nuraghe), Thrace and Scythia (so-called ‘beehive’-domes on graves and also Etruria (domed grave at Populonia). This form is mostly used in funerary arc…