Take Metro Line 5 and transfer to Metro Line 10. According to Baidu map, Line 5 is 2 kilometers away from Gankeng Town 1.2, so you need to take Metro Line 5 to Metro Line 10. The specific steps are as follows:

1. Take subway line 5 first.

2. Secondly, get to Wuhe Station and transfer to the subway 10 line to get to exit B of Gankeng.

3. Finally, walk 760m at exit B of Gankeng to reach Gankeng Town.