Photo from source: Here is another view of the PUREX tunnel at Hanford. Hole from collapse seen under orange flag. pic.twitter.com/iFhTfIUJ6o— Susannah Frame (@SFrameK5) May 9, 2017
Photo from source: Here is another view of the PUREX tunnel at Hanford. Hole from collapse seen under orange flag. pic.twitter.com/iFhTfIUJ6o