Technique: Post and Lintel like 7.2	*Stonehenge, England c1800 BCE
Technique: Temple Plan	Parthenon, Athens, Greece, 443-32 BCE 11.8
Technique: Corbeled Arch	Casemate, Tiryns, 1300 BCE
Technique: Arch like 7.9b	*Pont du Gard, France, 1st c BCE 7.10
Technique: Domes	Pantheon, Rome, exterior, 125 CE
	*Pantheon, Rome, interior, 125 CE (Pannini painting) 7.13
Technique: Barrel Vault 7.11a	Markets of Trajan. Rome, 1st c CE
Technique: Cross Vault like 7.11b	St. Etienne, Caen, int., 1120

post and lintel

arch

dome

barrel vault

cross vault