A postal card on Changtang (羌塘 or བྱང་ཐང) in Qinghai Province (青海省). The Qinghai-Tibet Railway (青藏铁路) go through this land toward Lhasa was shown. The ID no. is 13-630100-11-0003-009. Thanks Zinianchen.
A 4.20 Yuan bird definitive stamp was added on this card that comes with a 80 Fen pre-printed stamp on Qinghai Lake. It was sent from Xining Xiaoqiao 1 (西宁 小桥 1) on 8.11.2013.