I rode 3000km for 2 weeks in deep and wild Qinghai province in China, its the Tibetan Plateau. Check out my blog for pictures and comments on our adventure! lots of off-road, snow, ice, cold, high altitude (up to 4900 meters)
http://qinghaibiketrip2012.blogspot.hk/
http://qinghaibiketrip2012.blogspot.hk/