Fireworks are seen over Maracana Stadium during the opening ceremony at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Friday, Aug. 5, 2016. (AP Photo/Morry Gash) (Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistribu)
Jorge Alberto Oliveira Gomes lights the Olympic cauldron during the opening ceremony of the 2016 Summer Olympics in Rio de Janeiro, Brazil, Saturday, Aug. 6, 2016. (AP Photo/Natacha Pisarenko) (Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistribu)
Jorge Alberto Oliveira Gomes reacts after lighting the Olympic cauldron during the opening ceremony of the 2016 Summer Olympics in Rio de Janeiro, Brazil, Saturday, Aug. 6, 2016. (AP Photo/Gregory Bull) (Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistribu)
Pyrotechnics light up the sky during the opening ceremony for the 2016 Summer Olympics in Rio de Janeiro, Brazil, Saturday, Aug. 6, 2016. (AP Photo/David Goldman) (Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistribu)
Fireworks explode over Maracana Stadium during the opening ceremony at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Friday, Aug. 5, 2016. (AP Photo/Felipe Dana) (Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistribu)