Solange and Francisco Da Silva Correia's grandchildren leave their grandparents' riverside home for school near the town of Caviana, Amazonas, Brazil. (Solange Da Silva Correia is featured in the book What I Eat: Around the World in 80 Diets.) They use one of the family's outboard canoes to get to school in the nearby town of Caviana in Amazonia, Brazil, 20 minutes downriver.