Seattle, where the main campus of the University of Washington is located, is known as the best city to live and work in the United States. Seattle is a metropolis with a population of 3.4 million, with developed land, sea and air transportation and high quality of life. The climate here is humid and pleasant all year round. Winter is not as cold as in the eastern United States, and summer is not as hot as in the southern United States. But the rainy season in Seattle is from June 1 1 to April of the following year, so students who have just arrived in this city may need an adaptation period. Fortunately, it rains in Mao Mao most of the rainy season, so many Seattle locals can go out without umbrellas and wear waterproof hoodies. In addition, Seattle is close to Canada, and there are many direct flights with China, which is very convenient for work, study and life.