Input (grade 13): 02 January 2005 is a large arid to semi-arid sandy area in Southern Africa extending, covering much of Botswana and parts of Namibia and South Africa, as semi-desert, with huge tracts of excellent grazing after good rains.
Output (grade 9): The Kalahari Desert is a large arid to semi-arid sandy area in southern Kgalagadi Africa extending 900,000 km (362,500 sq.