Caves of Africa quiz: can you name them?

How it plays

1. 1A blurry start8 pictures, each starting as a few big blocks that sharpen over ten seconds.
2. 2Four optionsPick one whenever you think you know.
3. 3Early is worth morePoints fall from 1000 towards zero as the picture clears. A wrong answer scores nothing.

More from Africa, and beyond

• Museums of AfricaBuildings full of other pictures.
• Dams of AfricaA lot of concrete holding back a lot of water.
• Cathedrals of AfricaStone, glass and a lot of it.
• Flags of the worldEvery country has one.
• Famous places, after darkThe lights are on. Where are we?
• Famous citiesSkylines, streets and squares. From all over the world.