text: In the nave , the church 's famous Byzantine mosaics show , on the left , Ravenna 's fortified port of Classis , from which a procession of 22 virgins follows the three Magi with gifts for Jesus on his mother 's lap ; on the right , from Theodoric 's palace , 26 male martyrs march towards Christ .
  
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  The mosaics in the church are far away from the nave .