Small pieces of ceramic, stone or glass used in mosaics
Peace und roman rule
Wealthy landowners who were the Roman nobility
Multistoried roman apartment blocks
Public square in a roman city
Ruler who pulled the roman empire together at the end of the 3rd century, persecuted Christians and then retired to private life
Adoptive roman emperor who conquered Dacia, rebuilt Rome in the 2nd century--first provincial to rule Rome
Square dugouts in an arch or a dome used to decorate and lighten the ceiling
Underground corridors used for burials
Part of a church that intersects the nave at right angles to form the building into the building into the symbolic shape of a cross
Woman who ruled the western roman empire from Ravenna in the 5th century
Semicircular recess at one end of a church
6th century Byzantine emperor who built great churches, recodified Roman laze and reconquered much of the west.
Barbarians that conquered the western roman empire in the 5th century
Decorated mosque wall indicating the direction of Mecca
Tower of a mosque from which the muezzin calls the faithful to prayer
A screen holding many images that partition the sanctuary from main part of an Orthdox church
Rectangular Roman building used for public civic purposes and later for Christian churches
Roman military engineer who wrote a famous book on the principles of architecture
Four rulers who divided rule of the Empire
The first emperor of Rome
One of the mythical orphaned twins who founded Rome
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