Kalahari Desert activities within the reserve. Botswana Namibia South Africa Kalahari Desert The Kalahari Desert is a large semi-arid sandy savanna in Southern Africa extending for , covering much of Botswana, parts of Namibia and regions of South Africa. "Kalahari" is derived from the Tswana word "Kgala", meaning "the great thirst", or "Kgalagadi", meaning "a waterless place"; the Kalahari has vast areas covered by red sand without any permanent surface water. Drainage of the desert is by dry valleys, seasonally inundated pans and the large salt pans of the Makgadikgadi Pan in Botswana and Etosha Pan in Namibia. The only permanent river,
Interstate 70 called series the I-70 Series. I-70 has one of the closest distances between two distinct child interstates with the same child interstate number. I-470 near Topeka, Kansas, and I-470 on the east side of Kansas City, Missouri, are approximately apart. This record is surpassed by I-291 around Hartford, Connecticut, and I-291 near Springfield, Massachusetts, which are unrelated, but are apart. A breakdown of I-70's child routes follows: Interstate 70 Interstate 70 (I-70) is a major east–west Interstate Highway in the United States that runs from I-15 near Cove Fort, Utah, to I-695 near Baltimore, Maryland. I-70 approximately traces the path