monastery of mega spilaio, peloponnese, greece.

abbey achaea architecture building byzantine cave chelmos christian church cliff cloister destination dormition greece greek helmos historical history holy kalavrita kalavryta landmark mary medieval mega megalo megalou monastery moni monument mount mountain old orthodox patras peloponnese religious rock sightseeing slope spilaio spilaiou spileo spileou stone tourism touristic travel view virgin great