Bus route: express to Line 67 → Metro 1 Line → Line 9 → Line 4 Daxing, with a total length of about 27.0 kilometers.

1. Take the express direct bus No.67 from the west of Shuangyu roundabout, and arrive at the subway Apple Garden Station after two stops.

2. Walk about 290 meters and arrive at Apple Orchard Station.

3. Take the subway 1 line, pass 8 stops and arrive at the Military Museum Station.

4. Walk about 270 meters and transfer to Metro Line 9.

5. Take Metro Line 9, pass three stops and arrive at the National Library Station.

6. Take Daxing Line of Metro Line 4, pass 1 station and arrive at Zoo Station.

7. Walk about 2 10 meters and arrive at Beijing Zoo.