<https://secure.gravatar.com/avatar/7b6ea1b7d8d2f2737b4aaa1414fc9edd?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://inversionesytrading.com/pre-mercado-americano/pre-mercado-americano-eeuu-reporta-55-mil-casos-covid-19/>