Which country has the most Nobel Prize winners in total?

Which is the largest lake in the world by surface area?

What is the capital city of Italy?

Which is the deepest lake in the world?

What is the currency of Italy and most eurozone countries?

Which ancient wonder of the world still exists today?

Which country is the world's largest producer of crude oil?

What is the name of the world's longest wall built across northern China?

Which is the world's busiest airport by passenger traffic?

Which international organization focuses on providing loans to developing countries for poverty reduction?

Which city is known as the City of Gold?