text: Botswana is found in the southern part of Africa and borders Zimbabwe, South Africa, Nambia and Zambia.
  The shortest border in the world is between Botswana and Zambia, it is 150m. Because it is separated by the Zambezi River you have to cross it via the Kazungula Ferry.
  This is probably the only place in the world where cellular signal can be picked up from 4 countries in one place. It is believed to have 2 separate trijunctions about 150m apart.