Théodule Devéria help Mariette read inscriptions in Cairo and its surroundings. He tried to accurately document the archaeological sites using drawings, stampings and photographs. His calotype pictures from this trip are often poor in quality, showing a lack of technical skills. In 1860 he was appointed preserving assistant at the Louvre's Department of Egyptology. He revisited Egypt in 1861–62, traveling up the Nile to Philae at the First Cataract, and into Nubia to the Abu Simbel temples. After returning he helped Mariette prepare descriptions of the excavation in Egypt in 1850–54 for publication. In November 1864 Devéria met the future oriental scholar
Architectural sculpture is based mainly on the religious monuments that have survived since antiquity, which are carved stone with post-and-lintel construction. These religious monuments dedicated to the gods or pharaohs were designed with a great deal of architectural sculpture inside and out: engaged statues, carved columns and pillars, and wall surfaces carved with bas-reliefs. The classic examples of Egyptian colossal monuments (the Great Sphinx of Giza, the Abu Simbel temples, the Karnak Temple Complex, etc.) represent thoroughly integrated combinations of architecture and sculpture. Obelisks, elaborately carved from a single block of stone, were usually placed in pairs to flank the entrances to