The ship designs, in particular, are similar and drawn with a simple sickle - shaped line, representing the base of the boat, with vertical lines on deck, illustrating crew or, perhaps, raised oars.
The ship designs, in particular, were regarded by Heyerdahl as similar and drawn with a simple sickle–shaped lines, representing the base of the boat, with vertical lines on deck, illustrating crew or, perhaps, raised oars.