Ключевые слова: banner, communism, communist, communist party, cprf, crowd, day, demonstration, event, flag, freedom, great, kremlin, labor day, labour, lenin, mausoleum, may, may 1, mayday, meeting, nation, november, november 7, october, outdoor, party, patriotic, people, performance, person, placard, political, political party, politics, population, procession, protest, public, red, red square, revolution, russia, russian, russian federation, soviet, square, stalin, street, union,