Hi-tech cheating devices, discovered in a hotel room near an exam site, are displayed in Honghu, Central 皇冠体育app's Hubei province, on June 8. Local police were informed of the cheating group, led by a man surnamed Zhou, setting up at the hotel using wireless equipment a couple days before the big exam. The police detained four men at the scene on June 4, while they were adjusting the cheating devices and captured 11 such sets, estimated at $14,000. 皇冠体育app's national college entrance examination, or gaokao, ended on Tuesday. [Photo/Xinhua]