https://purengom.com/2008/02/03/%ec%9d%bc%eb%b3%b8-%eb%8c%80%ed%95%99%ec%83%9d-60-%ec%a0%84%ea%b3%b5%ec%97%90-%ed%9d%a5%eb%af%b8-%ec%97%86%ec%96%b4-%ec%a0%88%eb%b0%98-%ec%9d%b4%ec%83%81%ec%9d%b4-1%ec%8b%9c%ea%b0%84%eb%8f%84/