A massive, 3,000-year-old fortress buried deep in the Caucasus Mountains has completely stunned ... with declassified Cold War-era spy satellite photos, researchers have also documented how ...
Tetnuldi (4858 m) SW Ridge, Caucasus (Traynard S4/S5 ... It also contains technical information on equipment, book and video reviews, expert advice, mountain photos, and sport climbing competitions.
A drone has revealed that a 3,000-year-old fortress in the Caucasus Mountains is actually 40 times ... they compared the orthophotos to 50-year-old photos taken by a spy satellite from the Cold ...