A man holds a wireless device disguised as a belt during a presentation to the media in Taiyuan, Shanxi province, China June 6, 2017. Equipment seized over the years, used in cheating attempts by students sitting for the national college entrance exam known as "gaokao", were displayed to the media by Shanxi Radio Management Bureau.
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A woman holds a pair of earpieces during a presentation to the media.
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A wireless device disguised as a watch.