<http://schema.org/keywords>
"street, church, window, house, tower, old, tourism, architecture, roof, poland, building, monument, square, history, town, w&amp;b, landmark, catholic, historic, pionki"^^<http://www.w3.org/2001/XMLSchema#string>
<https://marketplace.500px.com/photos/14102967/church-in-the-pionki-by-viktor-korostynski>