Zig-Zag vs Couloir

Evaluates Mallory and Irvine's potential routes and compares the Zig-Zag and Couloir routes using photos and Google Earth Pro.
Fair Use:
https://dalewrites.wordpress.com/2011/02/10/oxygen-use/

Other Photos of the zig-zag:
https://gallery.jakenorton.com/Galleries/Everest-Expeditions/Everest-1999/i-gbwZqNM/A

https://gallery.jakenorton.com/Galleries/Everest-Expeditions/Everest-2004/i-r5bvzC9/A

https://gallery.jakenorton.com/Galleries/Everest-Expeditions/Everest-2019/i-vkdGMDZ/A

Видео Zig-Zag vs Couloir канала Michael Tracy