Lamb of God modern Roman Catholic Christology, Karl Rahner has continued to elaborate on the analogy that the blood of the Lamb of God, and the water flowing from the side of Christ on Calvary, had a cleansing nature, similar to baptismal water. In this analogy, the blood of the Lamb washed away the sins of humanity in a new baptism, redeeming it from the fall of Adam. In the Mass of the Roman Rite and also in the Eucharist of the Anglican Communion, the Lutheran Church, and the Western Rite of the Orthodox Church the "Agnus Dei" is the invocation to the
Sant Climent, Taüll the Carolingian Renaissance. The Alpha, Omega and the halo around Christ's head can be seen in both the Romanesque and Byzantium age and in the Catacomb of Comodilla. Sant Climent de Taüll has many mural paintings; however, the main and most famous mural painting is located at the central apse and is of Christ in Majesty within a mandorla. This has now been moved to Barcelona and replaced by a replica. In the lower part of the second triumphal arch appears a figure of the Agnus Dei contained in a circle with a blue background. The Agnus Dei is a