<https://forums.geocaching.com/GC/index.php?/topic/301321-stats-estado-do-geocaching-no-brasil/page/2/#comment-5786938>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://forums.geocaching.com/GC/index.php?/topic/301321-stats-estado-do-geocaching-no-brasil/page/2/&tab=comments#comment-5815482>