Rail Line 3 → North Extension of Metro Line 3 → 701a It takes about 2 hours/41.8km. Take Metro Line 3 at Gangding Station 2, get off at Tiyu West Road Station 11 and take the North Extension of Metro Line 3, get off at Renhe Station (exit B) for 70m, walk to Renhe Market Station 16 and take 701a, and get off at Diamond Garden Station 960m and walk to the bottom of Huadu District.