Japanese people are devoted to sending "origami cranes" to Kumamoto to console victims of the disaster caused by the earthquake over a week ago. 

摺紙鶴「迴力鏢」——連日本的災區都應付不了！ _Rumors

Well, the inhabitants of Kumamoto have been inundated with such "paper" offers of help. I guess Japanese people do not truly understand the meaning of the Chinese idiom as given below:

過年偶得: 試譯 千里送鹅毛 , 禮輕情義重. - kkuo0810的部落格 - udn部落格