<http://schema.org/keywords>
"Tamara de Lempicka, art, street, urban, mostra, people, artist, b&amp;w, black and white"^^<http://www.w3.org/2001/XMLSchema#string>
<https://marketplace.500px.com/photos/8775622/omaggio-a-tamara-de-lempicka-by-carlo-pelliccioni>