Rio fireworks: Opening ceremony rehearsal

Fireworks are seen during a rehearsal of the opening ceremony of the Rio 2016 Olympic Games at the Maracana stadiumin Rio de Janeiro on August 3, 2016.

Supermodel Gisele Bundchen, transgender beauty Lea T, samba dancers and possibly football great Pele in a star role will embody Brazil's multicolor glory at the Olympic opening ceremony Friday.