<prompt> Translate the following text to SwahiliThe present bulwarks date back to the year 1554, when Charles V, Holy Roman emperor, ordered that the 31.2-metre-thick 6-foot wall be reconstructed.  <response>: Jengo hilo lilijengwa mwaka 1554 wakati Mfalme Charles wa Tano wa Roma Takatifu alipotoa amri ya kujenga upya ukuta huo wenye unene wa mita 31.2. 