Linxia County
In 2012 he and his team reported the discovery of a 4.6 million-year-old three-toed horse "Hipparion zandaense" from Tibet. In 2013 they discovered "Sinotherium lagrelii" from Linxia Basin in Linxia County, Gansu Province, a transitional fossil in the lineage of one-horned rhinoceros, the basis of the unicorn legend in the region; and a new hornless rhino "Aceratherium porpani" from Thailand.