Guide de voyage aux États-Unis ?

IntroductionLocated in the central part of North America, the United States also includes Alaska in the northwest of North America and Hawaii Islands in the central Pacific. It borders Canada to the north, Mexico Gulf to the south, the Pacific Ocean to the west, and the Atlantic Ocean to the east. The country has an area of about 9.629 million square kilometers (of which the land area is 915.8960 million square kilometers), with a length of 4,500 kilometers from east to west and 2,700 kilometers from north to south, and a coastline of 22,680 kilometers. Most of the country has a continental climate, with a subtropical climate in the south. The temperature difference in the central and northern plains is very large, with an average temperature of -3℃ in January and 24℃ in July in Chicago, and an average temperature of 11℃ in January and 28℃ in the Gulf of Mexico coast. About 77% of the total population of the United States lives in urban areas, among which nearly half are concentrated in major cities such as New York, Chicago, San Francisco (San Francisco), Los Angeles, Washington, D.C., Yellowstone National Park, Colorado Grand Canyon, Salt Lake City, Olympic National Park, the Great Lakes Scenic Area, Hawaii Islands, and the mysterious Alaska, all of which are good places for tourism and sightseeing.