How can I get to Greentree Inn (Beijing Fangzhuang Business Hotel) from Beijing South Railway Station by subway?

Bus route: Metro Line 4 → Metro 13, the whole journey is about 17. 1 km.

1. Take Daxing Line of Metro Line 4 from Beijing South Railway Station and arrive at Xizhimen Station after 9 stops.

2. Walk about 420 meters, and then transfer to the subway 13 line.

3. Take the subway 13 line, pass three stops and arrive at Wudaokou Station.

4. Walk about 780m to Greentree Inn (Beijing Xueyuan Road Business Hotel).