Ok, Folks. This is the link to the American Embassy's Youth Ambassadors Program: http://www.embaixadaamericana.org.br/ya-index.php?action=materia&id=9215&submenu=ya-materia.php&itemmenu=10
This is a program that takes a few Brazilian students to the USA every year, and this year they are bringing American students here to Brazil. Brasilia is one of the cities they will be visiting. Check it out!