I live in a big city called New York City. It is the most populous city in the USA. 
Really? How many people live in New York City?
In 2016, 8.5 million people lived there. 
Wow my goodness.. when was new york city founded?
New York City was consolidated in 1898 into a single city. 
Ohhh okay. Who is a famous person born in NYC?
I'm sure lots have been born here since it often considered as the entertainment capital of the world.