Artists perform in the opening ceremony of the 2016 Rio Olympic Games at the Maracana Stadium in Rio de Janeiro, Brazil, Aug. 5, 2016. (Xinhua/Wu Wei)
Fireworks show the characters of RIO during the opening ceremony of the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, Aug. 5, 2016. (Xinhua/Lui Siu Wai)
Dancers perform during the opening ceremony of the 2016 Olymics at Maracana Stadium in Rio de Janeiro, Brazil, Aug. 5, 2016. (Xinhua/Meng Yongmin)
Photo taken on Aug. 5, 2016 shows the opening ceremony of the 2016 Rio Olympic Games at the Maracana Stadium in Rio de Janeiro, Brazil. (Xinhua/Li Ga)
The fireworks is seen over Maracana Stadium during the opening ceremony of the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, Aug. 5, 2016. (Xinhua/Lui Siu Wai)
The national flag of Brazil is raised during the opening ceremony of the 2016 Rio Olympic Games at the Maracana Stadium in Rio de Janeiro, Brazil, Aug. 5, 2016. (Xinhua/Li Ga)
Performers take part in the opening ceremony of the 31st Summer Olymic Games at the Maracana stadium in Rio de Janeiro, Brazil, Aug. 5, 2016. (Xinhua/Wang Haofei)
Photo taken on Aug. 5, 2016 shows the opening ceremony of the 2016 Rio Olympic Games at the Maracana Stadium in Rio de Janeiro, Brazil. (Xinhua/Li Ga)
Photo taken on Aug. 5, 2016 shows the opening ceremony of the 2016 Rio Olympic Games at the Maracana Stadium in Rio de Janeiro, Brazil. (Xinhua/Wu Wei)
Photo taken on Aug. 5, 2016 shows the art performance during the opening ceremony of the 2016 Rio Olympic Games at the Maracana Stadium in Rio de Janeiro, Brazil.(Xinhua/Fei Maohua)
Photo taken on Aug. 5, 2016 shows a night view of Rio de Janeiro, Brazil. (Xinhua/Han Yuqing)
Dancers perform during the opening ceremony of the 2016 Rio Olympic Games at the Maracana Stadium in Rio de Janeiro, Brazil, Aug. 5, 2016. (Xinhua/Wu Wei)
Brazilian model Gisele Bundchen performs during the opening ceremony of the 2016 Olymics at Maracana Stadium in Rio de Janeiro, Brazil, Aug. 5, 2016. (Xinhua/Meng Yongmin)
The firework is seen over Maracana Stadium during the opening ceremony of the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, Aug. 5, 2016. (Xinhua/Lui Siu Wai)
The firework is seen over Maracana Stadium during the opening ceremony of the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, Aug. 5, 2016. (Xinhua/Lui Siu Wai)
Performers take part in the opening ceremony of the 2016 Rio Olympic Games at the Maracana Stadium in Rio de Janeiro, Brazil, Aug. 5, 2016. (Xinhua/Wu Wei)
Performers take part in the opening ceremony of the 2016 Rio Olympic Games at the Maracana Stadium in Rio de Janeiro, Brazil, Aug. 5, 2016. (Xinhua/Wu Wei)
Brazilian model Gisele Bundchen performs during the opening ceremony of the 2016 Rio Olympic Games at the Maracana Stadium in Rio de Janeiro, Brazil. (Xinhua/Li Ming)
Photo taken on Aug. 5, 2016 shows the opening ceremony of the 2016 Rio Olympic Games at the Maracana Stadium in Rio de Janeiro, Brazil. (Xinhua/Li Ga)
Performers take part in the opening ceremony of the 2016 Rio Olympic Games at the Maracana Stadium in Rio de Janeiro, Brazil, Aug. 5, 2016. (Xinhua/Cheng Min)
Photo taken on Aug. 5, 2016 shows the opening ceremony of the 2016 Rio Olympic Games at the Maracana Stadium in Rio de Janeiro, Brazil. (Xinhua/Wu Wei)
Chinese Olympic delegation parade into the stadium during the opening ceremony of the 2016 Olymics at Maracana Stadium in Rio de Janeiro, Brazil, Aug. 5, 2016. (Xinhua/Liu Dawei)
Chinese Olympic Delegation parade into Maracana Stadium during the opening ceremony of the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, Aug. 5, 2016. (Xinhua/Qi Heng)
Members of the Olympic delegation of Hong Kong, China parade into Maracana Stadium during the opening ceremony of the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, Aug. 5, 2016.(Xinhua/Li Ming)
The Olympic delegation of Chinese Taipei parade into the stadium during the opening ceremony of the 2016 Olymics at Maracana Stadium in Rio de Janeiro, Brazil, Aug. 5, 2016. (Xinhua/Liu Dawei)
Refugee Olympic team parade into the stadium during the opening ceremony of the 2016 Olymics at Maracana Stadium in Rio de Janeiro, Brazil, Aug. 5, 2016. (Xinhua/Liu Dawei)
The delegation of Brazil parade into Maracana Stadium during the opening ceremony of the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, Aug. 5, 2016. (Xinhua/Li Ga)
Athletes watch the performance during the opening ceremony of the 2016 Olymics at Maracana Stadium in Rio de Janeiro, Brazil, Aug. 5, 2016. (Xinhua/Meng Yongmin)
The national flag of Brazil (L) and Olympic flag are raised during the opening ceremony of the 2016 Olymics at Maracana Stadium in Rio de Janeiro, Brazil, Aug. 5, 2016. (Xinhua/Liu Dawei)
The Olympic flag is raised during the opening ceremony of the 2016 Olymics at Maracana Stadium in Rio de Janeiro, Brazil, Aug. 5, 2016. (Xinhua/Liu Dawei)
The cauldron is lit during the opening ceremony of the 2016 Olymics at Maracana Stadium in Rio de Janeiro, Brazil, Aug. 5, 2016. (Xinhua/Meng Yongmin)