Photo from the book "Mythology of Buddhism in Tibet and Mongolia" (1900) - by Albert Grünwedel (1856 - 1935) (more photos)
The story of the author: "Wie drei Deutsche eine ganze Zivilisation entdeckten" (DE only)
Art from Gaochang (Xinjiang, China), published by Albert von Le Coq (1860 - 1930) (via)
