<prompt> Translate the following text to SwahiliFor those who find it difficult to appreciate mosaics as we usually see them, in fading indecipherable fragments, the beautifully preserved mosaic decoration of Ravennas churches, up to 1,500 years old, come as an exciting revelation.  <response>: Kwa wale ambao wanaona ni vigumu kufahamu mosaics kama sisi kawaida kuona yao, katika kufifia vipande indecipherable, mapambo ya mosaic beautifully kuhifadhiwa ya makanisa Ravenna ya miaka 1,500, kuja kama ufunuo ya kusisimua. 