View from La Joya area.

"A" marks the top of the Knees, with the ruined Luis Mendez hut at 16,570 ft. The descent chute is immediately below it, and is accessed by skirting above the snow patch. The exit towards Los Cien hut is marked by arrow

"B" marks the clearly visible section of Ayoloco trail. The glacier itself occupies the low point above the "B"