<http://schema.org/image>
<http://i2.mirror.co.uk/incoming/article865291.ece/ALTERNATES/s1200/A%20rare%20colorful%20cloud%20is%20seen%20at%20sunset%20in%20Wanning>
<http://www.mirror.co.uk/news/world-news/rare-rainbow-cloud-dazzles-as-it-appears-865515>