<prompt> Bhala ukuqhubeka kwalesi sigaba - Kukhona isikhumbuzo seMpi Yezinsuku Eziyishumi yango-1991  <response>: eceleni komgwaqo omkhulu kule ndawo. Kuyisikhumbuzo sikakhonkolo esimise okwephiramidi esifanekisela izinqaba ezilwa namathangi kanye nebhodi lesikhumbuzo, elakhiwa ngo-1996. 