<https://www.mbtmag.com/global/news/13103246/photos-of-the-day-beijing-issues-firstever-smog-red-alert>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.mbtmag.com/global/news/13103246/photos-of-the-day-beijing-issues-firstever-smog-red-alert>