Trang An boat tour

Which is the best travel route by boat in Trang An grottoes. You have to deciding when you going to take a boat to visit Trang An grottoes. The boat driver and harbor manager will ask you before you go. Some of them did not speak English well, then you just use the fingertip to say 1; 2; 3 fingers, then they understand what’s way you like to go, but before you have to choose them in your mind.