<https://secure.gravatar.com/avatar/8925afe8d69c2e4edceb40b1858e20c3?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/ImageObject>
<https://geolearn.in/oceanography/>