sitemap.xml

<?xml version="1.0" encoding="UTF-8"?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"
  xmlns:xhtml="http://www.w3.org/1999/xhtml">
  <url>
    <loc>http://gmt-tutorials.org/</loc>
    <xhtml:link 
                 rel="alternate"
                 hreflang="zh-tw"
                 href="http://gmt-tutorials.org/"
                 />
    <xhtml:link 
                 rel="alternate"
                 hreflang="en-us"
                 href="http://gmt-tutorials.org/en/"
                 />
  </url>
  
  <url>
    <loc>http://gmt-tutorials.org/en/</loc>
    <xhtml:link 
                 rel="alternate"
                 hreflang="zh-tw"
                 href="http://gmt-tutorials.org/"
                 />
    <xhtml:link 
                 rel="alternate"
                 hreflang="en-us"
                 href="http://gmt-tutorials.org/en/"
                 />
  </url>
 
</urlset>