Contestants take part in the First "Shenmo Cup" International Little Scholars Online Abacus Mental Math Competition in Beijing, China, May 30, 2020. The First "Shenmo Cup" International Little Scholars Online Abacus Mental Math Competition was held on Saturday and was broadcast live online simultaneously with multiple competition venues. The competition attracted more than 1,500 participates from 13 countries including China, Singapore, the Netherlands, and Nigeria. (Xinhua/Ma Ning)

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