1. upon seeing the cataratas del iguazú, eleanor roosevelt exclaimed
2. the cataratas del iguazú were declared a world heritage site by
3. the tren ecológico de la selva is a service provided by
4. the cataratas del iguazú are split into two main sections by
5. the horseshoe-shaped cataract at iguazú is called

1. Upon seeing the cataratas deIguazú, Eleanor Roosevelt exclaimed "Poor Niagara!"

2. The cataratas del Iguazú were declared a World Heritae Site by UNESCO.

3. The Tren Ecológico de la Selva is a service provided by Argentina.

4. The cataratas del Iguazú are split into two main sections by San Martín Island.

5. The horseshoe-shaped cataract at Iguazú is called Garganta del Diablo.

Explanation:

The Iguazu Falls are a group of waterfalls that are located on the Iguazu River, on the border between the province of Misiones and the Brazilian state of Paraná. They are fully inserted in protected areas; Argentina's sector is located within the Iguazu National Park, while Brazil's is located in the Iguazu National Park. They were chosen as one of the "Seven natural wonders of the world."