Bus route: Metro Line 4 → Metro Line 9 → Fangshan Line, with a total length of about 3 1.5km.

1. Take Daxing Line of Metro Line 4 from Xinjiekou, pass three stops and arrive at National Library Station.

2. Take Metro Line 9, pass 12 and arrive at Guogongzhuang Station.

3. Take Fangshan Line, pass 3 stops and arrive at Changyang Station.