Demolishing Corn Palace stairs

Matt Sowell, background, of All States Concrete Cutting in Sioux Falls, walks the robotic cutting device across the second-level floor of the Corn Palace Tuesday afternoon during the demolition of the staircases leading to the Palace’s third floor. The robot used a hydraulic pincher to break and tear the concrete. (Sean Ryan/Republic)

October 20, 2015 written by Eric Herbek 0 comments