<https://bg.venicebiennalesiria.com/1352-how-to-check-the-actual-signal-strength-on-your-iphone>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://bg.venicebiennalesiria.com/1352-how-to-check-the-actual-signal-strength-on-your-iphone>