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Visitors view the holographic slot machine at the Hypervsn booth during the Consumer Electronics Show (CES) in Las Vegas, the United States, Jan. 9, 2019. The annual CES kicked off Tuesday in Las Vegas. (Xinhua/Li Ying)
Visitors view the holographic slot machine at the Hypervsn booth during the Consumer Electronics Show (CES) in Las Vegas, the United States, Jan. 9, 2019. The annual CES kicked off Tuesday in Las Vegas. (Xinhua/Li Ying)