Archaeologists digging for ruins ahead of a new construction project in Jerusalem made an incredible discovery—that immediately began to vanish. During the last hours of a "salvage excavation" two months ago, the Israel Antiquities Authority stumbled upon a 2,000-year-old ritual bath when a stone suddenly disappeared into a black hole, reports Haaretz.
That hole turned out to be the remains of the bath, accessible by a stone staircase, which includes an anteroom with benches and a winepress. Carved into a natural stone cave, the bath itself wasn't so unusual, but the graffiti that covered the plaster walls was.
Archaeologists were therefore horrified to find the Aramaic inscriptions and paintings in mud and soot, dating to the Second Temple era from 530BC to 70AD, per Discovery News, disappearing within hours of their discovery.
"The wall paintings are so sensitive that their exposure to the air causes damage to them," the IAA says, per Ynetnews. Crews quickly removed and sealed the plaster so the graffiti, along with a few carvings, can be preserved.
Archaeologists say the Aramaic inscriptions are particularly special as few such writings have been found, though the script is hardly legible now. They guess at a few words, including what translates to "served" and the name "Cohen." Still, the inscriptions back up the argument that Aramaic was commonly used at the time and perhaps even the language of Jesus.
The plaster also holds drawings of a boat, palm trees and other plants, and what might be a menorah—portrayals of which were then considered taboo. An IAA rep says graffiti in baths may have been "common, but not usually preserved." (Another recent find: the remnants of a "treasured landmark" destroyed by the Nazis.)
This article originally appeared on Newser: Archaeologists Find Rare Writing, Then It Disappears
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