New Delhi: An estimated 10,000 mysterious human-built caves have been found in the former kingdom of Mustang in north, central Nepal. Those who have seen the mysterious caves say the effect of them on the
world s biggest archeological mystery know about the secret caves of nepalImage Source : INDIATV
These man-made caves are one of the world's greatest archaeological mysteries. They are the hidden within the Himalayas and are at 155ft from the ground.