<https://secure.gravatar.com/avatar/d7e71ad39260c736cecad8b0d1b3dbf4?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.ieltsvietop.vn/tu-hoc-ielts/speaking/describe-a-tourist-attraction/>