<urlset
    xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"
    xmlns:xhtml="http://www.w3.org/1999/xhtml"
    ><url>
            <loc>http://example.org/categories/</loc><xhtml:link
                        rel="alternate"
                        hreflang="en"
                        href="http://example.org/en/categories/"
                        /><xhtml:link
                    rel="alternate"
                    hreflang="zh-cn"
                    href="http://example.org/categories/"
                    /></url><url>
            <loc>http://example.org/tags/</loc><xhtml:link
                        rel="alternate"
                        hreflang="en"
                        href="http://example.org/en/tags/"
                        /><xhtml:link
                    rel="alternate"
                    hreflang="zh-cn"
                    href="http://example.org/tags/"
                    /></url><url>
            <loc>http://example.org/</loc><xhtml:link
                        rel="alternate"
                        hreflang="en"
                        href="http://example.org/en/"
                        /><xhtml:link
                    rel="alternate"
                    hreflang="zh-cn"
                    href="http://example.org/"
                    /></url></urlset>
