<prompt> Translate the following text to EnglishKatika apse ya ndani ya nguzo ya Kigiriki, kuna mosaiki ya St. Apollinaris, shahidi wa kwanza wa Ravenna na askofu, amezungukwa na kondoo kumi na mbili wanaowakilisha Mitume, na Musa na Eliya juu yake.  <response>: In the apse of the Greek-columned interior is a delightful mosaic of St. Apollinaris, Ravennas first martyr and bishop, surrounded by 12 sheep representing the Apostles, with Moses and Elijah in the clouds above him. 