A photo showing young children wearing rubber boots wading through the water of a river. There are large plastic boats in the river, designed to resemble paper boats. The children bravely splash with their hands and a stick in the shallow water, enjoying the moment. The scene is filled with the joy and innocence of childhood. The photo was taken during the "Rivers of Sofia" festival. The event includes 50 different cultural events and designated areas along the Perlovka River in a park in the city