A man displays fake 100-yuan banknotes with the serial number of "HB90" at a police station in Wenzhou, East China's Zhejiang Province, January 13, 2009. Fake 100-yuan notes, most starting with the serial number "HD90," have been reported in more than ten Chinese provinces and cities. The case has aroused public attention with reports saying the quality of some fake banknotes are so high that they can even cheat low-quality counterfeit money detectors. [Asianewsphoto]