At the front there are two boat routes circulating service in the same posture, isolation is a shade on the north side for passenger embarkation, and the South side for a passenger ship cruising wax.
There are two paths in front of the boat to rotate in the same position. By separating the north side pontoon boat for passengers. And the south side of the ship for passenger evacuation.
The front of a ship 2 path circulation service in one. Separated by a pontoon in the north for passenger ships. And the south side for passengers up from the boat.