The criteria set forth in the Cultural Resources Preservation Act, he points out, include such factors as the site's connection to a historic event or personage, its repre-sentativeness, rarity, and state of preservation, but not its age.
李乾朗教授指出，在「文化資產保存法」中核定古蹟的原則﹘﹘與重要歷史事件或人物有關、具時代特色、數量多寡、保存情況、規模等，其中並無時間因素，這說明建築不是因為「古」就能叫「古蹟」。他表示，古建築是最好的歷史文化教材，可以窺見過去的部分面貌。