| Caption | The walls in the main sanctuary, that is, where the pilgrims came in contact with the deads or idols of the deads, reach a thickness of 3.30 meters. The ancient Necromanteion of Acheron in Epirus, Greece. August 2020. |
| Photographer | Natasha Pantazopoulou |
| Uploaded | 20 August 2020 |
| Country | Greece |
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