 The expedition had lost a great many people through desertions, disease and hostilities but in Kazeh, on the return journey, Mabruki had recruited local porters.Again Speke and Burton suffered from severe illnesses and had to be carried in a litter (machilla) by the porters some of the way.Once Speke and Burton were back on the coast they went by ship to Zanzibar and then traveled to Aden.