<prompt> Translate the following text to SwahiliStupas were originally burial mounds; Buddhists developed them into shrines of plaster-covered stone, inside which are caskets containing relics of Buddha.  <response>: Stupa zilikuwa mahali pa kuzikia, lakini baadaye zikawa mahali pa kuzikia kwa mawe yaliyofunikwa kwa plasta, na ndani yake kulikuwa na masanduku ya maiti ya Buddha. 