code: def get_seed(self):
          
          self.seed = {'places': [place.get_seed() for place in self]}
          return self.seed
docs: Collects the required information to generate a data estructure 
          that can be used to recreate exactly the same geometry object
          via *\*\*kwargs*.
          
          :returns: Object's sufficient info to initialize it.
          :rtype: dict
          
          .. seealso:: 
              
              * :func:`get_map` 
              * :func:`map2pyny`
              * :func:`map2seed` 
              * :func:`explode_map`