<https://www.benchmarkemail.com/tw/blog/apple-and-foursquare-drop-google-maps-for-openstreetmap/#breadcrumb>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.benchmarkemail.com/tw/blog/apple-and-foursquare-drop-google-maps-for-openstreetmap/>