To get to the underground chamber, Padró's team removed over 45 tons of stones.
Finally, the archaeologists reached a rectangular crypt measuring about 26 feet long and 12 feet deep. They are unsure what the function of the structure was originally, but believe it might have possibly been another temple dedicated to Osiris.
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Once inside, the archaeologists found five or six coats of paint on the walls, the last of which was from the Coptic period of the first Christians.
In addition to the image of the curly man, the walls feature symbols and images of plants and inscriptions written in the Coptic language, which are currently being translated.
"In order to carry out future campaigns, it is necessary to excavate an attached structure. A flight of well worn stairs give access to it, but researchers do not know its content yet," the University of Barcelona said in a statement.
Photo: The image, protected from the sun with a thin layer of material, shows a young man with curly hair and dressed in a short tunic, with a hand raised as if making a blessing. Credit: University of Barcelona