Among the cathedral's admir?­able 12th- to 14th-century stained-glass windows in the nave and northern aisle there are portraits of medieval German emperors.
The cathedral has portraits of German emperors between some of its stained-glass windows.
mnli hypothesis: The cathedral has portraits of German emperors between some of its stained-glass windows. premise: Among the cathedral's admir?­able 12th- to 14th-century stained-glass windows in the nave and northern aisle there are portraits of medieval German emperors.