It’s believed the first caves were dug into the cretaceous mounts of Kostomarovo before the adoption of Christianity in Russia. Hermit monks would use these austere cell-like spaces to hide from persecution, and it wasn’t until the 12th century that the first rock monastery was carved in the region. Those who have visited Spassky Church speak of a fantastic sense of easiness and divine bliss, and it also has a reputation for healing diseases and wounds, helping people make the right decisions and cleansing sins. In fact, there is even a Cave of Repentance inside the chalk church where condemned sinners were once confined to repent for their sins (via).
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