St. Gereon Köln, Germany
Built in the 11th and 13th centuries, St. Gereon has an unusual decagonal-shaped nave topped with a great dome. It houses numerous medieval murals, rare Romanesque mosaics, and the tomb of St. Gereon.
Built in the 11th and 13th centuries, St. Gereon has an unusual decagonal-shaped nave topped with a great dome. It houses numerous medieval murals, rare Romanesque mosaics, and the tomb of St. Gereon.
