mosaics in early christian baptistery in ravenna.

4th 5th ancient antique apostles architectural architecture art artwork baptism baptistery baptistry blue brick building byzantine cathedral catholic ceiling century christ christian church colorful culture cupola decor decoration destination dome early emilia emiliaromagna europe european golden heritage historic holy indoor interior italian italy jesus justinian landmark magnificent medieval monument mosaic mosaics neon neonian nuovo old ornament orthodox ravenna religion religious roman san travel trip unesco view vitale world