Note 12 — Chapter IV · RESIDENCE AT TASHILHUNPO, AND PREPARATIONS FOR JOURNEY TO LHASA.
Reading edition
The Chang-tang is not an uninhabited desert, for numerous tribes of Drupa pasture their herds there the year long, and keep up a considerable trade with Lhasa and Shigatse, which they supply with salt. It has been repeatedly crossed by European explorers.—(W. R.) ↑