<https://thedailyguardian.net/del-potro-is-working-in-the-us-because-he-wants-to-play-in-the-olympic-games-cba24n/#webpage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://thedailyguardian.net/del-potro-is-working-in-the-us-because-he-wants-to-play-in-the-olympic-games-cba24n/>