A set of 50 photographs and associated handwritten descriptive notes, acquired from the Imperial Russian Geographical Society in St. Petersburg. The complete notes, "1904 View of Great Tibet", are available at: http://collections.lib.uwm.edu/u?/tibet,94
Yu-tog zampa [Yu-tog zamba] [N.]
This bridge is on the way from Lhasa to Potala is covered with glassed blue tiles, but the name means the turquoise roof bridge.
Obs. Yu-tog zamba Sarat Chandra Das l.c. p. 148, Yutok jampa on A-K's Plan; Rockhill l.c.p. 76 and 258; Bridge Yu-tok on Waddell's Plan l.c.
"After a few minutes' ride we came to the Yu-tog zamba, a short stone bridge with a gate where a guard commanded by a lama is stationed, which examines all passers-by to ascertain the object of their visit to the city." (p.148).
Das, S. C. (1902). Journey to Lhasa and Central Tibet. London: John Murray. Available through Google Books at:
http://books.google.com/books?id=2E4ap0j5gZwC&pg=PA1&dq