There are more than 50,000 pieces of rock art (petroglyphs) and inscriptions
all along the Karakoram Highway in Northern Areas of Pakistan that are
concentrated at ten major sites between Hunza and Shatial, more have been found
in the area of Skardu and Shigar (in Shigar even the remains of a Buddhist
monastery were found in 1984 by Jettmar and Thewalt). The carvings were left by
various invaders, traders and pilgrims who passed 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