How to take bus 997 to Beijing Construction Engineering Training Center?

Bus route: Metro Line 9 → Metro Line 4 → Metro Line 2, the whole journey is about17.8km..

1. Walk about 340 meters from the South Square of Beijing West Railway Station and arrive at Beijing West Railway Station.

2. Take Metro Line 9, pass 4 stops and arrive at National Library Station.

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

4. Take Metro Line 2, pass 5 stops and arrive at Dongzhimen Station.

5. Walk about 1.0km to Beijing Construction Engineering Group for training. ...