Black-and-white gym class in mid-20th century (likely 1960s–70s) with students performing floor exercises in a spacious indoo... Group fitness class in a gymnasium, 1970s. Participants perform floor exercises in coordinated poses, likely part of a struct... Group fitness class in a gymnasium, 1970s. Participants perform floor exercises in coordinated poses, likely inspired by Pila... Group of individuals in mid-motion, likely practicing floor exercises or dance in a spacious indoor wooden-floored hall. Unif... Group yoga/stretching session in an indoor gym, likely 1970s–1980s. Participants in loose clothing and headbands perform floo... Black-and-white photo of a 1960s-70s ballet class in a large, wood-floored studio with high windows. Women in leotards and ti... Group ballet class in mid-20th century studio, likely 1950s–1960s. Women in leotards and ballet slippers perform floor exerci... Mid-century ballet class in progress, featuring dancers in leotards and tights on polished wooden floors. Foreground dancer w...