Kalahari Acacia-Baikiaea woodlands Kalahari Acacia-Baikiaea woodlands Kalahari Acacia-Baikiaea woodlands is an ecoregion located in Botswana, northern Namibia, South Africa and Zimbabwe. These woodlands cover the center of southern Africa, from northern Namibia diagonally through to southeast Botswana and just into the Tuli Block of South Africa. In Botswana there is another area running north from the Okavango Delta and the Makgadikgadi Pan towards the border of the Chobe National Park and then east to the border with Zimbabwe. All this is semi-arid sandveld with little surface water. Droughts occur approximately every seven years. Rainfall, when it occurs, is mostly in the summer, from
Lost City of the Kalahari any signs of construction in the area. A. J. Clement researched the story in 1964 and advanced a new theory. Clement claimed his study of Farini's description of his route highlighted inconsistencies in Farini's story. Clement concluded that Farini went deep into Southern Africa, but he never actually went to the heart of the Kalahari where he claimed the Lost City was sited. To test this premise Clement explored what he regarded as Farini's true route and discovered a set of monumental rocks, resembling walls. Clement concluded that Farini's 'lost city' was shown to exist but as a natural formation.