<https://www.aikidojo.nl/#/schema/person/image/>
<http://schema.org/contentUrl>
<https://secure.gravatar.com/avatar/cea5d1188cc6f905baeeb2eb17fbf0a0?s=96&d=mm&r=g>
<https://www.aikidojo.nl/sparks-in-chu-shin-dojo/>