There are various traditionally produced alcoholic drinks. Bojalwa ja Setswana (the beer of Batswana) is brewed from fermented sorghum seeds. Other tribes, like Bakalanga, use lebelebele (millet). A commercially produced and packaged beer, Chibuku, brewed from either maize or sorghum, is a favourite drink particularly in the villages, towns, and in some parts of the city.
Education in Botswana is free for the first 10 years, which completes the cycle through middle school. The first 7 years of this are at primary school, where the pupil-teacher ratio is approximately 13 to 1.The medium of education is Setswana for the 1st 4 years, thereafter English.
Situated in the heart of the Kalahari Desert, northern Botswana nevertheless has some of the most fascinating rivers on the planet. There are rivers that spill into the desert sands far from any ocean, and others that flow from other rivers only to peter out in the sands of the Kalahari, and all are part of the legendary wilderness of northern Botswana.