Ключевые слова: adults, anniversary, asphalt, balloons, banners, cars, celebration, center, city, crowd, demo, demonstration, district, driving, event, flags, holiday, kolpino, leningrad, machines, march, men, modern, parade, passing, pave, pavement, people, performance, petersburg, procession, riding, road, roadway, russia, russian, show, showing, special, st petersburg, street, town, urban, vehicle, walking, waving, way, women, young,