Zambia tributaries rise in Angola's central highlands. The edge of the Cuando River floodplain (not its main channel) forms Zambia's southwestern border, and via the Chobe River that river contributes very little water to the Zambezi because most is lost by evaporation. Two of the Zambezi's longest and largest tributaries, the Kafue and the Luangwa, flow mainly in Zambia. Their confluences with the Zambezi are on the border with Zimbabwe at Chirundu and Luangwa town respectively. Before its confluence, the Luangwa River forms part of Zambia's border with Mozambique. From Luangwa town, the Zambezi leaves Zambia and flows into Mozambique, and
Chilanga (Lusaka), Zambia shipments traveling to the mines in the Copper Belt of Zambia. It is the main trunk road connecting Zambia with Zimbabwe through Chirundu and Victoria Falls via the T1 through Livingstone. North of Lusaka the T2 becomes The Great North Road connecting Southern Africa to Central and East Africa. Zambian Railways operates a railroad yard within Chilanga, which serves as a transportation hub for the Lafarge Cement plant. The Zambian Railways operates both passenger trains and cargo trains. Because Chilanga is a transitional area between Lusaka Province and Southern Province, Zambia, both Tonga and Nyanja Bantu languages are spoken and