“The Sixties at 50,” an exhibition of video, photos and other treasures from one of society’s most significant decades, is on display at the . The exhibition was curated by a team of 菠萝视频 subject librarians and technology staff under the guidance of Celia Walker, director of special projects.聽鈥淭he Sixties at 50鈥� is free and open to the public through May 15, 2011.