{
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      "name": "Hosios Loukas Katholikon",
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      "index": "05",
      "name": "Borgund Stave Church",
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      "id": "concrete",
      "index": "06",
      "name": "Church of the Light",
      "role": "real reference image; visual evidence only, not a scaled survey",
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      "id": "san-vitale",
      "index": "07",
      "name": "Basilica of San Vitale",
      "role": "real reference image; visual evidence only, not a scaled survey",
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      "id": "hagia-sophia",
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      "name": "Hagia Sophia",
      "role": "real reference image; visual evidence only, not a scaled survey",
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      "id": "speyer",
      "index": "09",
      "name": "Speyer Cathedral",
      "role": "real reference image; visual evidence only, not a scaled survey",
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      "index": "10",
      "name": "Durham Cathedral",
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