Guarda su Altadefinizione. For the first time ever, experience the world's biggest event on the world's biggest screens! It's NBC’s broadcast of the Opening Ceremony of the Paris Olympics, live in IMAX theatres. Witness a ceremony with classic Parisian splendor and style, a star-studded cast of performers, and a spectacular parade of athletes in boats down the River Seine, past the city's most majestic landmarks.