Ключевые слова: banners, buildings, california, celebration, city, crowd, day, democracy, demonstration, editorial, flag, freedom, holding, holiday, international, labor, labour, many, marching, market street, may, meeting, men, movement, parade, peaceful, people, politics, poster, protest, rally, san francisco, signs, socialism, spring, street, support, union, unions, walking, woman, women, work, worker, workers,