https://blog.gongquiz.com/2022/04/30/%ec%87%bc%ed%95%91%ec%84%bc%ed%84%b0%ec%9d%98-%ea%b3%b5%ea%b0%84%ea%b5%ac%ec%84%b1%ec%97%90%ec%84%9c-%ed%8e%98%eb%94%94%ec%8a%a4%ed%8a%b8%eb%a6%ac%ec%96%b8-%ec%a7%80%eb%8c%80pedestrian-area%ec%9d%98/