Mexico

Why it sticks

1. 1

   Mexico has the largest Spanish-speaking population in the world.

2. 2

   Mexico City stands on the drained lake bed of Tenochtitlan, the Aztec capital, and is sinking several centimetres a year.

3. 3

   The flag shows an eagle on a cactus eating a snake. In Aztec legend, this was the sign of where to found their city.

4. 4

   Chocolate, maize, chillies and tomatoes all reached the rest of the world from Mexico.

• Octagonal concrete utility poles, often with engravings.
• White outer lines and a single solid yellow centre line. Arrows on signs are very thick.
• Stop signs say "ALTO". Speed bumps are signed "TOPE".
• Small cylindrical white bollards with a black base are common.
• OXXO shops and Pemex petrol stations, and black or white cylindrical water tanks on rooftops.
• Short plates in many state designs, with front plates required.