<https://itop.academy/blog/itop_cat/apps-realidad-aumentada-videojuegos-unity-curie-platform#primaryimage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://itop.academy/blog/itop_cat/apps-realidad-aumentada-videojuegos-unity-curie-platform>