1, new york City is located on the Atlantic coast of southeastern New York, USA. It is the largest city and port in the United States and the largest city in the world. It is also called "Newland Port" with London, China and Hongkong.

Located in the southwest of California, Los Angeles is the second largest city in the United States and the largest city in the western United States. It is usually called city of angels. Chicago is the third largest city in the United States, the largest city in the north of the United States, a world-famous financial center, the largest commercial center and one of the largest futures markets in the United States. Chicago is one of the most important cultural, scientific and educational centers in the United States.

Located in the south of Lake Michigan, Chicago is the third largest city in the United States and one of the financial centers in the world. Located in the center of the North American continent, Chicago is the largest commercial center and one of the largest futures markets in the United States. The number of new enterprises in its metropolitan area has always ranked first in the United States and has been rated as the most balanced economy in the United States.