A view inside Al Bayt Stadium during the opening ceremony.Amr Abdallah Dalsh/Reuters

Fans watch Sunday's match from a fan zone in Doha, Qatar.Petr David Josek/AP

Dancers light up the ground during the opening ceremony.François-Xavier Mart/AFP/Getty Images

South Korean singer Jung Kook performs at the opening ceremony.Natacha Pisarenko/AP

A performer plays drums during the opening ceremony.Kai Pfaffenbach/Reuters

La'eeb, the official mascot of this World Cup, flies during the opening ceremony. La'eeb is an Arabic word meaning super-skilled player.Dylan Martinez/Reuters

A girl waves a Qatari flag Sunday at a fan zone in Doha.Moises Castillo/AP

People dance in Al Bayt Stadium during the opening ceremony.Pawel Kopczynski/Reuters

People watch as fireworks go off before the start of the opening match.Aijaz Rahi/AP

A family watches the opening match from their home in Doha.Ibraheem Al Omari/Reuters

Qatari fans enjoy the pre-match atmosphere at Al Bayt Stadium on Sunday.Michael Steele/Getty Images

Qatar's Pedro Miguel challenges Ecuador's Pervis Estupiñán for the ball.Darko Bandic/AP