SPORTS

Ice Climbers Ascend Iowa Silos' Challenging, Man-Made Frozen Walls

CEDAR FALLS, IA - FEBRUARY 18:  Adam Kuperman climbs the side of an ice-covered grain silo February 18, 2007 in Cedar Falls,
CEDAR FALLS, IA - FEBRUARY 18: Adam Kuperman climbs the side of an ice-covered grain silo February 18, 2007 in Cedar Falls, Iowa. The structures were the brainchild of Don Briggs, a physical education instructor at the University of Northern Iowa, who created the ice-climbing towers on a friend's farm to satisfy his desire to climb without leaving the flat farm fields of Northern Iowa. Briggs also uses the silos to teach the sport to his students at UNI. (Photo by Scott Olson/Getty Images)

Necessity may be the mother of invention, but cold weather and regional architecture inspired a special invention of their own in Iowa —grain silo ice climbing.

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