Japan's Princess Kako, a niece of Emperor Naruhito, visited Brazil's Iguacu Falls on Sunday, wrapping up her official visit to the South American nation that marked 130 years of diplomatic ties between the two countries.The younger daughter of Crown Prince Fumihito and Crown Princess Kiko learned about the nature preservation efforts at the national park that encompasses the falls.The 30-year-old departed Sao Paulo on Sunday night and is scheduled to return to Japan on Tuesday.In the city of Foz do Iguacu on Saturday, the princess met with first-generation Japanese immigrants, including 98-…READ FULL ARTICLE