Mosaics may cowl in depth portions of the inside, including the vaults, and generally symbolize Byzantine emperors, religious saints, and Biblical occasions, among different themes. Figures in Byzantine mosaics are typically offered in a barely abstract or non-naturalistic way. In addition, Inside areas in Byzantine buildings are likely to rise to the curved dome roofs supported by marble columns. Byzantine craftsmen and builders tailored the Roman system of construction with concrete and brickwork by adding a surface sheathing of marble. Architecture.