Original sentence: Rhondda (), or Rhondda Valley () is a former coal mining valley in Wales and past local government district, consisting of 16 communities built around the River Rhondda.Rhondda is part of the county borough of Rhondda Cynon Taf and is one of the South Wales Valleys
Edited sentence: Rhondda (), or the Rhondda Valley (), is a former coal mining valley in Wales, formerly a local government district, consisting of 16 communities built around the River Rhondda.Rhondda is part of Rhondda Cynon Taf County Borough and is one of the South Wales Valleys