https://explorersweb.com/second-seven-summits-dykh-tau/ -- Second Seven Summits : Dykh-Tau ( Caucasus)
https://www.climbing.com/places/the-sto ... ai-desert/? -- The Stone of Exodus : Big Wall First Ascents in Egypt's Ancient Sinai Desert -- from Climbing.com and Rock and Ice
http://cys-hiking-adventures.blogspot.c ... eople.html -- Cy K -- Updated.