[x] Create [[ https://query.wikidata.org/#SELECT%20%3Fitem%20%3FitemLabel%20%3Fcommonssite%20%3Fcommonscat%20WHERE%20%7B%0A%20%20%3Fitem%20wdt%3AP179%20wd%3AQ105334118.%0A%20%20%3Fitem%20wdt%3AP373%20%3Fcommonscat.%0A%20%20OPTIONAL%20%7B%3Fcommonssite%20schema%3AisPartOf%20%3Chttps%3A%2F%2Fcommons.wikimedia.org%2F%3E%3B%0A%20%20%20%20schema%3Aabout%20%3Fitem.%7D%0A%20%20SERVICE%20wikibase%3Alabel%20%7B%20bd%3AserviceParam%20wikibase%3Alanguage%20%22%5BAUTO_LANGUAGE%5D%2Cen%22.%20%7D%0A%7D | wikidata structure for the competitons ]]
[ ] Identify photos to process
* with template `{{Zabytek nieruchomy}}`: https://pagepile.toolforge.org/api.php?action=get_data&id=34490, eg https://commons.wikimedia.org/wiki/File%3ASierpc%2C_ul._Chopina_16%2C_dom_drewniany_02%3B_Kot.JPG -> https://www.wikidata.org/wiki/Q33427194
[ ] Harvest the data and prep SDC spreadsheet ready to upload
[ ] Start the uploads
All items with WLM ID starting with `PL-`: https://w.wiki/34jT