He noted that on tomb-sweeping day, some people would come to the family tomb to pay respects. Yin Chang-yi made up a family chart, with a contact number, and put it before the grave, hoping visitors would contact him.
張西欽表示，清明節總會有人來祭掃，因此尹章義教授製作了表格，註明連絡人，大夥合力將表格以塑膠套密封，壓在墓前，待祭掃者發現後與他們連絡。