Original sentence: In 2009, Uruguay and Argentina suggested the Tango to be declared a world heritage of humanity, in October of the same year UNESCO approved it.Tango dance  and  tango music originated in Montevideo, Uruguay and Buenos Aires,  Argentina, the area of the Rio de la Plata, and spread to the rest of the world soon after
Edited sentence: In 2009,Argentina suggested the Tango to be declared a world heritage of humanity, in October of the same year UNESCO approved it.Tango dance  and  tango music originated in  Buenos Aires,  Argentina and spread to the rest of the world soon after