Bus route: Metro Line 9 → Metro Line 4 → Metro 16→642, with a total length of about 40.5 kilometers.

1. Take Metro Line 9 from Beijing West Railway Station, pass 4 stops and arrive at National Library Station.

2. Take Daxing Line of Metro Line 4, pass 7 stops and arrive at Xiyuan Station.

3. Walk about 350 meters, and then transfer to the subway 16 line.

4. Take the subway 16 line, pass 8 stops and arrive at Wenyang Road Station.

5. Walk about 380 meters and arrive at Gaolizhang Station.

6. Take bus No.642, pass 9 stops and arrive at Baihujian Station.

7. Walk about 440 meters and arrive at Village South Street in Xiguan City.