<https://secure.gravatar.com/avatar/30fdef9468aad27ac97c114ffad92eb1?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://seattlekr.com/seattle/%EC%8B%9C%EC%95%A0%ED%8B%80-%EA%B5%90%ED%86%B5%EB%89%B4%EC%8A%A4-6/>