Starting point: Xibutou Village
1. Start south from the starting point, follow Beianhe Road 140m, and turn left into Qiwangfen Road.
2. Drive along Qiwangfen Road 1.2km and turn right into Wenbei Road.
3. Drive along Wenbei Road for 2.2km, drive in the direction of Sixth Ring Road/Mentougou/Xishatun, turn right slightly, and enter Gaolizhang North Bridge.
4. Drive along Gaolizhang North Bridge 1.5km, pass Gaolizhang North Bridge, turn right ahead and enter Beijing Sixth Ring Expressway.
5. Drive along Beijing Sixth Ring Expressway 17.8km, turn right slightly in the direction of Fushi Road/Mentougou City/Shijingshan, and enter Shuangyu Bridge.
6. Drive along Shuangyu Bridge 1.7km and go straight into Fushi Road.
7. Drive 200 meters along Fushi Road and go straight into Fushi Road.
8. Drive along Fushi Road for 20 meters, turn left slightly and enter Shuangyu Road.
9. Drive along Shuangyu Road for 370 meters, turn right ahead and enter Binhe Road.
10. Drive along Binhe Road 1.4km and reach the destination (on the left side of the road).
End point: Yongding building