along the trade route, as well as by locals. The earliest date back to between 5000 and 1000 BC, showing single animals, triangular men and hunting scenes in which the animals sometimes are larger than the hunters. These carvings were pecked into the rocks with stone tools and are covered with a thick patina that proves their age. Later -- mostly Buddhist -- carvings were sometimes executed with a sharp chisel.

Jettmar tried to piece together the history of the area