Congressional recommendation: This place is best to make an appointment on weekends, usually there are not many people, you can go directly without an appointment. Enter the door first through the security check, except that you can go in, nothing else can be brought in, there is a place for free package delivery. After sending the package, go to the service desk to register and get a number. There is a tour guide to take a tour of the Capitol. Only English tour guide, but there is a brochure introduced in Chinese. Transportation: downtown, walk, you have to take the bus, there is a station nearby, see Figure 3. Tickets: Free, it is best to book a visit online. Time: 2 hours or so