I've heard that many tours of facilities are less in-depth than they would have been pre... recent notable historic events in the US. I am thankful that I got

I've heard that many tours of facilities are less in-depth than they would have been pre... recent notable historic events in the US. I am thankful that I got to see the depths of major hydro-electric facilities in my home state as a child. They inspired awe and wonder in our ability to engineer massive things; though such words were not at all within my vocabulary at that age.