This is a XML Sitemap which is supposed to be processed by search engines which follow the XML Sitemap standard like Ask.com, Bing, Google and Yahoo.
It was generated using the Blogging-Software WordPress và Google Sitemap Generator Plugin qua iJunkey.
You can find more information about XML sitemaps on sitemaps.org and Google's list of sitemap programs.
This file contains links to sub-sitemaps, follow them to see the actual sitemap content.