<http://schema.org/keywords>
"sun, winter, graffiti, flash, cool, scarf, boots, jeans, wall, ray, light, woman, sexy, girl, cold"^^<http://www.w3.org/2001/XMLSchema#string>
<https://marketplace.500px.com/photos/10119389/graffiti-wall-by-geert-jan-kettelarij>