兰州市“幼儿之家”幼儿园大班的孩子们开展让笑和爱一起传播活动。该园积极营造和谐快乐的生活学习环境，倡导孩子们微笑待人。记者 张子恒
Lanzhou City "Kindergarten" kindergarten taipans children carried out for laughter and love together communication activities. The park actively create a harmonious and happy living environment, and promote the children to treat people with smile. Reporter Zhang Ziheng
