<prompt> Translate the following text to EnglishKati ya madirisha ya kanisa kuu ya karne ya 12 hadi ya 14 ya madirisha ya glasi ya rangi katika nave na aisle ya kaskazini kuna picha za maliki wa Ujerumani wa enzi za kati.  <response>: Among the cathedrals admir?able 12th- to 14th-century stained-glass windows in the nave and northern aisle there are portraits of medieval German emperors. 