Bus route: 437 → Daxing Line of Metro Line 4 → Metro Line 2, with a total length of about 23.4 kilometers.

1. Walk about150m from Yanbeiyuan, Peking University, and arrive at Sister-in-law Camp Station.

2. Take bus No.437, pass 1 station and arrive at Xiyuan North Station (you can also take bus No.476 or 534).

3. Walk about 270 meters to Xiyuan Station.

4. Take Daxing Line of Metro Line 4, pass 9 stops and arrive at Xizhimen Station.

5. Take Metro Line 2, pass 9 stops and arrive at Beijing Station.