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
Russia–Zambia relations state visits in 1974 and 1987. Relations between the two countries soured in 1976, when Kaunda said on the Soviet and Cuban presence in Angola, "(t)hey drove colonialism and fascism out the front door, only to let a plundering tiger and its cubs in the back door." Soviet support for the Zimbabwe African People's Union, which operated primarily out of Zambia, helped to stop relations from detiorating further, and ties became warmer after Abel Muzorewa, the Prime Minister of Zimbabwe Rhodesia launched airstrikes inside Zambia in 1979. After the strikes, Zambia unsuccessfully sought Western military aid, which saw Zambia turning