[25] This annual trade caravan was also a tribute envoy to the Grand Lama from the king of Ladakh. Known as the Lopchag (annual prostration) mission it was established in the seventeenth century at the end of the Ladakh-Tibet-Mongol War. See'The Lapchak Missionfrom Ladakh to Lhasa in British Indian Foreign Policy,' John Bray, The Tibet Journal, Vol. XV No. 4.