Most identified birds in Azerbaijan

There are 15 countries that start with the letter C. How many can you name?

Name the 20 cities ranked as the world's top financial centers according to the Global Financial Centres Index.

Which countries have received a Level 4 "Do Not Travel" advisory from the U.S. State Department since the beginning of 2023?

Click all the superheroes that come from Marvel comics while avoiding the ones that don't.