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> Genetic testing in 2005 revealed that 56% of the DNA of some Zhelaizhai residents was Caucasian in origin but the testing did not determine whether they were descended from Romans, Tocharians or Iranian peoples. People with Caucasian-like traits existed in central Asia centuries before the Romans; Tarim mummies and some south Siberian populations included light-haired individuals. To date, no artifacts which might confirm a Roman presence, such as coins or weaponry, have been discovered in Zhelaizhai.
Taken from wikipedia [link](http://en.wikipedia.org/wiki/Liqian_%28village%29) If any one wants to read more about the village.