President Barack Obama on video opens the ceremony at the Los Angeles Memorial Coliseum.
The Azerbaijan delegation walking during the parade of athletes.
Jean Alvarado (left) and Yendry Fernandez (right) from the Costa Rica delegation at the Opening Ceremony.
The Brazilian delegation walking during the parade of athletes.
Guatemalan Special Olympics athlete Marvin Tello (center) and the rest of the Guatemalan delegation during the parade of athletes.
Oscar De La Hoya with Mexican Special Olympics athlete Fernando Rios.
Athletes from the Cuban delegation during the parade of athletes.
Colin Farrell with athletes from the delegation of Ireland.
The South Korean delegation cheering during the parade of athletes.
Egyptian delegation in costume during the parade of athletes.
Iran delegation walking hand in hand during the parade of athletes.
Former Olympian Apolo Ohno walking with the Mongolian delegation.
Kansas City Chiefs running back Jamaal Charles walking with the delegation from Namibia.
The delegation of Samoa dancing during the parade of athletes.
A member of the Russian delegation reaching up for joy during the parade of athletes.
The Zimbabwean delegation during the parade of athletes.
Athletes from the USA delegation waiving to the crowd.
USA athletes happy to be at the Opening Ceremony.
J Balvin and Becky G singing together during the ceremony.
Maria Shriver looks back on the life of her mother and founder of the Special Olympics, Eunice Kennedy Shriver.
Tim Shriver champions the spirit and messages of unity and bravery during the Opening Ceremony.
Former swimming Olympian Michael Phelps carrying the Special Olympics flag.
Actor Ed Harris (left) introduces Brightfield Shadi (right).
Actress Lauren Potter and Portland Trail Blazers point guard Damian Lillard speaking during the ceremony.
Former figure skating Olympian Michelle Kwan carries the Special Olympics flag to be raised during the ceremony.
Dancers during the Opening Ceremony.
Special Olympics athlete and restaurateur Tim Harris introducing First Lady Michelle Obama.
Stevie Wonder was one of the musical headliners and performed " Fear Can't Put My Dreams to Sleep."
Avril Lavigne performs her song "Fly" during the last leg of the torch run.
First Lady Michelle Obama welcomes the 165 delegations of athletes to the 2015 Special Olympics World Summer Games.
Cuban Special Olympics athletes Lilianni Salgado and Darianny Urtado hand off the torch to USA Special Olympics athlete Destiny Sanchez.
Siedah Garrett performs "Reach Up LA" to close the Opening Ceremony.