sentences:  Eighty kilometres further down, the Luanginga, which with its tributaries drains a large area to the west, joins the Zambezi.A few kilometres higher up on the east the main stream is joined in the rainy season by overflow of the Luampa/Luena system.A short distance downstream of the confluence with the Luanginga is Lealui, one of the capitals of the Lozi people who populate the Zambian region of Barotseland in Western Province.