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Barbarossaleuchter – Video-Quiz (Video 1)
CaS2000 / CC BY-SA
Pala d'Oro Video-Quiz – (Video 3)
Arnoldius / CC BY-SA
Marienschrein – Video-Quiz (Video 4)
Frans Berkelaar / CC BY-SA
Aachener Dom Footage (by Google Earth) – Video-Quiz (Video 6)
Google Earth Studio
Aachener Dom (Videoquiz Frage 6) – Info Seite
Photo by CEphoto, Uwe Aranas
Sound Icon – Video-Quiz
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