The Oscars ceremony sound director Paul Sandweiss tests equipment for the 89th Academy Awards at Dolby Theater in Hollywood, California, the United States, Feb. 21, 2017. (Xinhua/Zhang Chaoqun)
The Oscars ceremony sound director Paul Sandweiss tests equipment for the 89th Academy Awards at Dolby Theater in Hollywood, California, the United States, Feb. 21, 2017. (Xinhua/Zhang Chaoqun)