Comoros

Why it sticks

1. 1

   Nicknamed the 'Perfume Islands', it is one of the world's biggest producers of ylang-ylang oil used in perfumes.

2. 2

   Mount Karthala on Grande Comore is one of the largest active volcanoes in the world.

3. 3

   Comoros claims the island of Mayotte, which voted to stay French and is now a French department.

4. 4

   The flag's four stripes and four stars stand for the four islands, including Mayotte.

• Black volcanic rock coastlines with palm trees and mosques.
• Signs in French and Arabic script.
• French and Arabic signs on steep volcanic islands with black-sand beaches.