Through a humble door in the shadow of Saint Mary Major one enters the station church for Monday of Holy Week, Santa Prassede. Established as a titulus as early as 112, the current church is a jewel box of mosaics commissioned by Pope Paschal in 822. The neo-Cosmatesque floor dates from the early 20th century.
This floor is a type of mosaic called Cosmatesque. The intricate designs were created from pieces of marble columns from multiple temples in Rome. This style of floor is typical of Roman churches and cathedrals.
The intricate designs were not random; The different colored marble circles helped the priests find their spots during religious processions.
Cosmatesque floor of San Crisogono, Rome. The original floor (c. 1120) was restored by Scipione Cardinal Borghese in 1623, when he added his own heraldic charges of the crowned eagle and dragon in mosaic.