Beyond the answers - interesting background to this quiz

The country that quietly out-pyramids Egypt

Most people associate pyramids with Giza, but Sudan holds the record for the largest number of pyramids in the world. The ancient kingdom of Kush built its own royal pyramids at Meroë and other sites, and they are generally smaller and steeper than their Egyptian counterparts. Hundreds of these structures survive, which is why the country is often called the land of pyramids.

A trumpet player who reshaped American music

Louis Armstrong was a trumpeter, and his influence went far beyond his instrument. He is widely credited with helping to shift jazz away from collective improvisation toward the soloist as the star of the performance. His distinctive gravelly voice and hits such as "What a Wonderful World" made him a household name around the globe.

A statue that looks out over Rio

The Christ the Redeemer statue stands atop the Corcovado mountain in Rio de Janeiro, Brazil. Completed in 1931, the Art Deco figure is about 30 metres tall, not counting its pedestal, and its outstretched arms span roughly 28 metres. It has become one of the most recognisable landmarks in South America and a symbol of the city itself.

The gas that keeps the planet warm

Carbon dioxide is a greenhouse gas, meaning it traps heat in the atmosphere. While nitrogen makes up most of the air we breathe, it does not absorb heat in the same way. Human activities such as burning fossil fuels have raised carbon dioxide concentrations, which is a central driver of modern climate change.

A motto with a revolutionary past

"Liberty, equality, fraternity" is the national motto of France, but its roots go back to the French Revolution. The phrase captured the ideals of the era and was later enshrined in the constitution. It is a compact summary of the values the republic claims to stand for, and it appears on public buildings across the country.