I want to visit New York City one day!
i love it here! New York, is the most populous city in the United States
Sounds wonderful.  Tell me more about what I should know before visiting. 
well it had an estimated 2016 population of 8,537,673
That sounds really large. Probably among the biggest in the U.S.
it is!  Located at the southern tip of the state of New York, the city is the center of the New York metropolitan area
What should I visit there?
well i read in a book A global power city, New York City has been described as the cultural, financial, and media capital of the world
Really.  So I can see a lot of cultural stuff in New York?
yeah Home to the headquarters of the United Nations, New York is an important center for world deplomacy