https://www.google.com/maps/about/behind-the-scenes/streetview/treks/mont-blanc/index.html#region/discover-the-mountain/cosmiques-icefall

I wonder what they might have used 'this one' for?

oh I see...as a sort of alternative to 'astronaut' programming...keeping the link to 'ground control'?

"the nauts and the nautical" replies MI5 ONLINE....oh yes...and let us not forget the 'rope knots'.