Inside a tiny, four-square-meter cell carved into the walls of an old Sicilian hilltop fortress that was decimated by an earthquake back in 1693, researchers have uncovered centuries-old prison wall art. It was created by people with a lot of time on their hands and a sharp object to carve with.

As reported by Archaeology News Magazine, researchers from the Central Mediterranean Penal Heritage Project (CMPHP) used digital photogrammetry to photograph the walls of Noto Antica. They produced the first full 3D record of the castle prison’s interior. Etched onto the walls, they found a mishmash of errant thoughts and mortal fears.

But also, games!

What Ancient Sicilian Prison Graffiti Tells Us About Prisoners’ Games and Fears

The team documented five repeating rectangular carvings that app

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