Black and white photograph of Karhu Club boy's gymnastic pyramides in front of Fort William Finn Hall on Robertson Street. Boys are dressed in uniforms for the time

Black and white photograph of the Nahjus athletic club men's gymnastics pyramid at the Finn Hall stage

Black and white photograph of Young Girls pyramid at Nahjus Park on stage. Girls are dressed in Nahjus uniforms for the time

Black and white photograph of Nahjus Club Boys & Girls group practising pyramids for show. The group is dressed in the Nahjus uniform for the time

Black and white photograph of Nahjus Club Mens pyramid includes top, Toivo Viitanen middle, Art Wainio bottom, Leo Sheare on stage. Men are dressed in the Nahjus uniform for the time

Black and white photograph of 3 boys performing a pyramid during a outdoor festival. A loudspeaker with wires apear in the upper left of the photograph and the last boy in the pyramid is pointing upwards. Cars and crowds are seen watching the…

Black and white photograph of 3 boys and a girl gymnast performing a pyramid during an outdoor festival. Wires from the loudspeaker are visible and cars and crowds are seen watching the performance