Bus route: Metro Line 9 → North Extension of Metro Line 3 → Metro Line 6, the whole journey is about 41.0km. 1. Take Metro Line 9 from Huadu Square, pass 4 stops, and arrive at Gaozeng station. 2. Take the North Extension of Metro Line 3, pass 9 stops, and arrive at Yantang Station. 3. Walk 60 meters, transfer to Metro Line 6. 4. Take Metro Line 6, pass 4 stops, and arrive at Ouzhuang Station. 5.