Nile (TV series) their mission Speke separated from the main party and discovered Lake Victoria. The vast lake retains water like a vast reservoir with evaporations drained back by surrounding mountains. Speke returned with James Grant a year later and discovered the outlet at Ripon Falls. The new moon rains trigger the emergence of vast breeding swarms of flies that plagued the expedition. Speke and Grant headed downstream from the outlet but were forced to take refuge at Gondokoro. Here they met with Samuel Baker and his wife who had travelled up stream in search of the source and discovered Lake Albert in
John Hanning Speke the wider world and were the first to record and map this section of Africa, the efforts and labors of Sidi Mubarak Bombay and Mabruki were instrumental in discovering the lake. Bombay was captured as a child near Lake Nyasa by slave traders and was sold to Indian merchants on the coast of Africa who took him to Sindh. Thus he spoke Hindustani and after his master's death he sailed back to Zanzibar where Speke and Burton met and hired him. Both spoke Hindustani, which greatly facilitated the travel in the interior as Bombay spoke several native languages beside Swahili.