The back walls of the pylon have scenes of the yearly meetings of Horus and his consort Hathor, who traveled on a sacred barque (slender boat) from her temple at Denderah for the reunion on the Nile.
The scenes on the wall  have been restored to provide a clearer image.
mnli hypothesis: The scenes on the wall  have been restored to provide a clearer image. premise: The back walls of the pylon have scenes of the yearly meetings of Horus and his consort Hathor, who traveled on a sacred barque (slender boat) from her temple at Denderah for the reunion on the Nile.