For years people believed that the Titanic sank so quickly because it sustained a huge gash in its hull at the time of its ill-fated collision.
Kwa miaka mingi watu waliamini kwamba meli ya Titanic ilizama upesi sana kwa sababu ilitoboka pengo kubwa kwenye sehemu yake ya usoni wakati wa mgongano wake usiofaa.