Video: Manhattan Project’s K-31 Demolished

Cranes topple the last remaining beams of K-31’s structure in Oak Ridge on Friday, June 26, 2015. Built in 1951 to enrich uranium for national defense, the facility is the fourth of five gaseous diffusion buildings to be demolished at East Tennessee Technology Park, which was part of the Manhattan Project. Neighboring K-27 will be the final building demolished. (Video by Adam Lau/Knoxville News Sentinel)