The fact that they are covering their heads as well as faces suggests that it's ...

alphakappa on Dec 20, 2011 | parent | context | favorite | on: An Indian Inventor Disrupts The Period Industry

The fact that they are covering their heads as well as faces suggests that it's related to hygiene more than privacy. Things that are commonplace and cheap in the western world like disposable masks and caps are not so in the locale mentioned in the story.