放风筝是清明时节很多人喜爱的活动。四月的大地一片生机勃勃，跟随Caroline Wu一起来到郊外，探访“曹氏风筝”第四代传承人，缪伯刚。There are many classic ways Chinese people celebrate the Qingming Festival. Flying kites is an activity favored by many. A popular time for flying kites is in April as the weather is so favorable. Our reporter Caroline Wu visits a national intangible cultural heritage inheritor of "Cao's Kite”. #Qingming# http://t.cn/A6NwNkbD