<http://schema.org/keywords>
"ACNUR,Europa,Migraci\u00F3n,migrantes,ONU,refugiados,UE"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.biobiochile.cl/noticias/2015/12/30/mas-de-un-millon-de-migrantes-llegaron-a-europa-por-mar-en-2015.shtml>