Quite the mystery apparently.
From a mil perspective an island is defensible but has many weakness.
''While debate continues about the use of Por-Bajin, there is growing evidence it was a community or palace complex centred around a Buddhist monastery. Certainly, there is an argument that its layout is typical of the palaces of the Buddhist Paradises as depicted in T’ang paintings.
Books from the era also describe the existence of Uighur towns, extensive building activities, and a transition from a nomadic to sedentary lifestyle. Indeed, there may have been as many of 15 of these settlements in Tuva alone, all square of rectangular shaped and enclosed by walls with a main gate.''ltural geography..so I eave it for others.''
http://siberiantimes.com/science/casestudy/features/f0009-who-built-this-siberian-summer-palace-and-why/ http://siberiantimes.com/science/casestudy/features/f0009-who-built-this-siberian-summer-palace-and-why/
The era is mine but not the cultural geography.
So I leave it for others. Some great photos in the link.
Edited by medenaywe - 14-Nov-2014 at 00:09