Now, 49 chambers have been unearthed in the colossal complex, as well as connecting passages, water wells, grain storage silos, the rooms of homes, and places of worship, including a Christian church and a large hall with a Star of David symbol on the wall, which appears to be a Jewish synagogue.For another underground complex in Turkey, this one in Kars Province and used by late-antique Armenian monks, see here.Artifacts found in the caverns — including Roman-era coins and oil lamps — indicate that the subterranean complex was built sometime in the second or third centuries A.D, Tarkan told Live Science.
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