Boat ferries are a common site in Sri Lanka. They are used to ferry travelers across rivers where there are no bridges close by. I took this video at the Kudagama ferry-crossing the Kalu Ganga in Avissawella. You can see a female passenger giving a helping hand to the ferry-man. Please click on the internet link below to watch the action.
http://www.youtube.com/watch?v=CMDTTEekbmw&feature=mfu_in_order&list=UL
http://www.youtube.com/watch?v=CMDTTEekbmw&feature=mfu_in_order&list=UL