<p>From time immemorial Afghanistan has both been a fortress of faith and a mountainous crossroads. Through its high valleys merchants traded Chinese porcelains, bundles of indigo cloth, sacks of lapis lazuli, golden jewellery, emeralds and fine carvings from both east and west. Ancient scrolls and beliefs entered the land in satchels of Buddhist pilgrims and in the baggage of military invaders- from Alexander the Great to Mughal, Persian and Ara...