... region, and the total are of 946 square km, New York is the largest city in the United States. Unit 15: CitiesA. Reading While you read By: Nguyen Ba Huong - 04/07Quy Chau Boarding – School.NA ... region, and the total are of 946 square km, New York is the largest city in the United States. Unit 15: CitiesA. Reading While you readIt has a population of more than 7 million in the city ... where tourists can visit some world famous art galleries and museums. Unit 15: CitiesA. Reading It is the home of the United Nations and the centre of global finance, communications, and business,...