European city leaders from Baltic, Northern, and other countries met in Vilnius for the international conference Champion Cities Summit 2023: Champions Think Bold to discuss how cities can handle social, climate, urban development, safety, and other challenges. The summit, organized right before Vilnius’ 700th anniversary, welcomed mayors of Vilnius, Reykjavik, Warsaw, Tallinn, Lviv, and other city officials to exchange experiences and support plans for Ukraine.