Trier's cathedral was built on the site of the palace of Helena (the mother of Emperor Constantine). The prized exhibit here is a 4th-century Roman ceiling from the palace, in vivid colours, that was pieced together from countless fragments.
Trier's cathedral was built on the site of the palace of Helena (the mother of Emperor Constantine). The prized exhibit here is a 4th-century Roman ceiling from the palace, in vivid colours, that was pieced together from countless fragments.







