Ключевые слова: banner, communism, communist, cprf, crowd, day, demonstration, event, flag, freedom, great, kremlin, labor day, labour, lenin, mausoleum, may, mayday, meeting, november, november 7, october, outdoor, party, people, performance, person, picket, placard, political, politics, population, procession, protest, public, rally, red, red square, revolution, russia, russian, russian federation, socialism, socialist, soviet, square, stalin, street, union,