Ключевые слова: background, blue, caution, child, childhood, children, city, cityscape, cross, crossing, crosswalk, danger, day, direction, education, hazard, icon, italian, juvenile, kid, kids, lugano, outdoors, pedestrian, person, protection, pupils, road, road sign, running, safety, safety education, school, schoolboy, sign, signage, signal, signpost, sky, stop, street, switzerland, symbol, ticino, traffic, urban, urban street, walk, walking, warning,