Three cities in Brazil are on our Geo Quiz radar this time: we're talking about Brazil's three most populous cities.
We'll give you the first one: SÃ£o Paulo is the biggest with a population of more than 11 million.
That leaves numbers two and three for you to name.
One of them is said to be the most visited city — not just in Brazil — but in all the southern hemisphere.
The other is nicknamed "Brazil's capital of happiness", thanks to its outdoor street carnivals and nearly 50 miles of beaches.
These two cities are popular destinations for tourists.
The answers Rio de Janeiro and Salvador, and they are both destinations for the US State Department's newest cultural ambassador Kareem Abdul-Jabbar.
Anchor Marco Werman talks with the NBA legend about his upcoming trip to Brazil, his first as US cultural ambassador.