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Trier, Aula Regia / Photo: Von Markus Bydolek - Eigenes Werk, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=28704571
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Trier, Aula Regia Innenansicht / Photo: Von CTHOE - Eigenes Werk, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=19773944
