A Record of Old Kashgar
chinabooksreview.com
chinabooksreview.com
And some stories from my visit: https://theporouscity.com/show.pl/1980?id=1980
Wonderful place. Unspeakable what's been done to the people there.
A recent Drum Tower episode (paywall) visited Xinjiang and talked about this:
https://shows.acast.com/drumtower/episodes/drum-tower-ramada...
There are multiple Uyghur Sarais littered across the high Himalayas from an era when commerce still passed on the back of a Yak
Highways like the G219, G314, the Leh-Manali, etc are all based on older trade routes from a bygone era, and now increasingly carry troops instead of tourists or commerce.