Water supply and sanitation in Zimbabwe in Zimbabwe are the Zambezi River in the north, and the Limpopo River in the south. Several other rivers with significant watershed areas that flow through Zimbabwe are the Save, Manyame, and Sanyati Rivers. The biggest lake in Zimbabwe is Lake Kariba which is on the border with Zambia. There are several large aquifers in Zimbabwe. In urban centers of Zimbabwe the majority of the water supply comes from piped water. In rural areas, Zimbabweans predominantly rely on wells and boreholes that tap into Zimbabwe's groundwater supply. The construction of many wells was mainly financed by the households themselves. The
Tonga people (Zambia and Zimbabwe) and 137,000 in Zimbabwe; it is an important lingua franca in parts of those countries and is spoken by members of other ethnic groups as well as the Tonga. Tonga also speak Shona and Ndebele in Zimbabwe, English in Zambia and Zimbabwe, and Portuguese in Mozambique as second languages. Tonga people (Zambia and Zimbabwe) The Tonga people of Zambia and Zimbabwe (also called 'Batonga') are a Bantu ethnic group of southern Zambia and neighbouring northern Zimbabwe, and to a lesser extent, in Mozambique. They are related to the Batoka who are part of the Tokaleya people in the same area,