In Warsaw, thousands of Ukrainians participated in a large March of Gratitude to the Polish people in thanks for their support of Ukrainians. The marchers, gathered near the Polish Parliament and central streets, marched past the Presidential Palace to Castle Square.
https://www.ukrinform.pl/amp/rubric-ato/3495440-ukraincy-zorganizowali-w-warszawie-marsz-wdziecznosci-dla-polakow.html
