question: What country do both the Rachias timbo and Iguazu Falls have in common?
answer: Argentina
context: Title: Salto Osório Hydroelectric Power Plant
  Passage: The Salto Osório Hydroelectric Power Plant is a dam and hydroelectric power plant on the Iguazu River near Osório in Paraná, Brazil.  It is the second dam upstream of the Iguazu Falls and was completed in 1979.  The power station has a 1,078 MW capacity and is supplied with water by a rock-fill embankment dam.
  Title: Bento Munhoz Hydroelectric Plant
  Passage: The Governor Bento Munhoz da Rocha Netto Hydroelectric Plant, formerly known as Foz do Areia, is dam and hydroelectric power plant on the Iguazu River near Foz do Areia in Paraná, Brazil.  It is the furthest dam upstream of the Iguazu Falls and was constructed between 1976 and 1980.  The power station has a 1676 MW capacity and is supplied with water by a concrete face rock-fill embankment dam.
  Title: Rachias timbo
  Passage: Rachias timbo is a mygalomorph spider of Argentina, named after its type locality: El Timbó, Iguazú, Misiones.  "R. timbo" differs from Brazilian "Rachias" species (with similar genitalia) by being smaller and having lower keels on the male embolus.
  Title: Iguazu Falls
  Passage: The Iguazu Falls, Iguazú Falls, Iguassu Falls, or Iguaçu Falls (Spanish: "Cataratas del Iguazú" ] ; Guarani: "Chororo Yguasu" ] ; Portuguese: "Cataratas do Iguaçu" ] ) are waterfalls of the Iguazu River on the border of the Argentine province of Misiones and the Brazilian state of Paraná.  They are the largest waterfalls system in the world.  The falls divide the river into the upper and lower Iguazu.  The Iguazu River rises near the city of Curitiba.  For most of its course, the river flows through Brazil; however, most of the falls are on the Argentine side.  Below its confluence with the San Antonio River, the Iguazu River forms the boundary between Argentina and Brazil.
  Title: Sheraton Iguazú Resort &amp; Spa
  Passage: The Sheraton Iguazu Resort is a five star establishment overlooking the landmark Iguazu Falls, in Misiones Province, Argentina.
citations: Iguazu Falls Rachias timbo