The sky caves in Nepal 馃嚦馃嚨, dating back at least 2,000 years, dot the cliffs of Mustang, and are ancient man-made caves numbering around 10,000. Speculated purposes range from burial sites to meditation spots or storage areas, yet their true age and function remains unknown.
What compelled the construction of these caves at elevations reaching staggering heights, some as high as 4,000 meters (13,123 feet) above sea level in the Himalayas?
