2. This is the website of the librarian of the United States Congress.

3. Then click on the URL to enter. The Library of Congress is located in Washington, D.C., and is located at 1800. With 6.5438+28 million books, the library has become a giant in the history of libraries, including 29 million books, 65.438+02 million photos and 58 million manuscripts, of which more than two-thirds of the books are stored in multimedia. Including many rare books, special collections, the world's largest maps, movies and TV series.