Karoo were very large and the family group moved from one part to the other. Their only domestic animals were dogs. The Bantu people to the east of the Great Karoo did not occupy this arid region due to the scarce rainfall which prevented the farming of cattle. In 1854, Daniel Halladay invented the multibladed windpump (windmill) in the USA. It was perfected in 1883, and soon South Africa (and elsewhere) produced them in large numbers. These windpumps transformed the Great Karoo, making permanent settlement and stock farming (predominantly sheep) possible over large parts of the Karoo for the first time.
Monegros Desert Monegros Desert The Monegros Desert or Desierto de los Monegros is a semidesert in Aragón, northeastern Spain, spanning the provinces of Zaragoza and Huesca. It is a semi arid zone prone to frequent droughts. It is noted for its annual electronic music festival held in mid-July, the Monegros Desert Festival. The Monegros Desert spans the provinces of Zaragoza and Huesca in the region of Aragón, including the "comarca" of Monegros in Huesca. Part of the desert lies in the Ebro Valley. The desert covers about and consists of 49 villages in 31 municipalities. The highest point of the Monegros Desert