<http://schema.org/keywords>
"architecture, asia, attraction, buildings, business district, casino, cityscape, clouds, landmark, marina bay, mbs, singapore, skyline, south east asia, storm, sunset, water,  storm,  business district,  Skyline,  clouds,  cityscape,  Landmark,  attraction,  mbs,  casino,  marina bay,  water,  sunset,  asia,  south east asia,  Buildings,  Architecture"^^<http://www.w3.org/2001/XMLSchema#string>
<https://marketplace.500px.com/photos/22328409/singapore-skyline-as-the-storm-rolls-in-by-paul-cowell>