https://cc-times.com/posts/26478
25,841KM-6KM=25,835KM
16.768737,98.781173
http://1000shadow.blog127.fc2.com/blog-entry-9017.html
https://www.hk01.com/%E5%8D%B3%E6%99%82%E5%A8%9B%E6%A8%82/941050/%E5%8F%B0%E7%81%A3kol-%E4%BA%8C%E5%A3%98%E5%A6%B9-%E9%9A%AA