This is one of my all time favorite desktop wallpapers! It really appeals to me as both a space nerd and photography enthusiast.

I really enjoyed the video you helped Destin from Smarter Everyday make about the cupola. I thought it was really interesting to learn that tight engineering tolerances and o-rings are all that's needed to hold pressure for the shutter controls. https://youtu.be/KSzuiqVjJg4