Botswana

Why it sticks

1. 1

   The Okavango Delta is a huge inland delta whose water never reaches the sea; it became UNESCO's 1000th World Heritage Site in 2014.

2. 2

   Botswana has the largest elephant population in the world, roughly 130,000 animals.

3. 3

   It is one of the world's top diamond producers; the Jwaneng mine is the richest diamond mine by value.

4. 4

   The light-blue flag stands for water: 'pula', the national motto and currency, means rain in Setswana.

• Extremely flat Kalahari bush: pale sand, low thorny shrubs and almost no hills.
• Drives on the left, and roads have yellow edge lines like South Africa.
• Plates follow the format B 123 ABC, starting with the letter B.
• Donkeys, goats and cattle wandering on long, empty straight roads are very common.