Teenagers programming robots using a computer during a preliminary contest of the 16th Network Originality Competition in Hohhot, Inner Mongolia autonomous region on July 14. 26 Hohhot students from local elementary and middle school took part in the event. The Network Originality Competition, short for NOC, is an activity for teachers and students to apply information knowledge and technology into creative ideas and innovative products. [Photo/nmgnews.com.cn]