The Great Pyramid of Giza is the oldest World Wonder and one of the best Wonders for a fledgling empire in Civ 6. It's impossible to build cities that everyone will envy without, you know, Builders.

Kilwa Kisiwani is Civilization 6’s Secret Weapon Kilwa Kisiwani is a Medieval Era Wonder that grants three envoys when built and has a massive boost to those who pursue City-States.

Civilization 6 gave city-states a fresh new idea with Suzerain bonuses. Whichever civ has the most envoys in a city-state becomes the city-state's Suzerain in Civilization 6.