A local resident walks along a mural depicting the Argentine football player Diego Maradona in the village of Staro Zhelezare on July 23, 2026. Since 2015, students from Poland have been gathering every summer in Bulgarian village of Staro Zhelezare to paint graffiti on the walls of the houses belonging to the village's mere 400 residents. The themes of the paintings are often related to current events in world politics. (Photo by Nikolay DOYCHINOV / AFP via Getty Images) / RESTRICTED TO EDITORIAL USE - MANDATORY MENTION OF THE ARTIST UPON PUBLICATION - TO ILLUSTRATE THE EVENT AS SPECIFIED IN THE CAPTION