Math fans celebrate Pi Day in elementary school (4/4)
2015-03-13 16:46
Ecns.cn
Web Editor:Gu Liping
Students play a game during an event to mark Pi Day on March 14 in honor of the famous ratio's first few digits, 3.14, at an elementary school in North China’s Hebei province, March 13, 2015. The school organized the event, including a reciting contest and games, to inspire students' interest in mathematics. (Photo: China News Service/Chen Xiaodong)
