It is also possible to conceive of a passenger version in which the passengers are offered the choice of a more rapid passage accommodated either above or below the water.
Ingenzeka into yokucingela inguqulelo yabakhweli apho abakhweli bevunyelwa ukukhetha indawo yokuhlala ekhawulezayo mhlawumbi phezulu okanye ngaphantsi kwamanzi.