1、qinghai province new china net http://www.qh.xinhuanet.com/datongtravel/2007-04/24/content_9879527.htm
2、traveling network http://www.9tour.cn/wiki%5fmap/city21/56935/2/
3、baidu search engine http://www.baidu.com
4、google search engine http://www.google.cn
5、divine land elegant demeanor http://trip.ungou.com/spot/103197