(250615) -- WARSAW, June 15, 2025 (Xinhua) -- Participants engage in a padded sword and shield duel during the Archaeological Picnic in Warsaw, Poland on June 14, 2025.
The event, part of Poland's celebration of the European Archaeology Days (June 13-15), aims to promote public engagement with historical heritage through interactive and hands-on activities. (Photo by Jaap Arriens/Xinhua)


















