https://europeforvisitors.com/germany/galleries/erfurt-domplatz-cathedral-st-severus-spires.htm
Erfurt: Mariendom Cathedral & St. Severus Church | Germany for Visitors
Steeples of the Mariendom and St. Severus Church in Erfurt, Germany, from Durant and Cheryl Imboden's Germanyforvisitors.com.
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