Bus route: Metro Line 5 → Metro Line 2 → Metro Line 4 Daxing Line, the whole journey is about 23.3 kilometers.

1, take subway line 5 from Tiantongyuan, pass 10 station and arrive at Lama Temple Station.

2. Walk about 160m and transfer to Metro Line 2.

3. Take Metro Line 2, pass 4 stops and arrive at Xizhimen Station.

4. Take Daxing Line of Metro Line 4, pass 2 stops and arrive at National Library Station.