Ключевые слова: 2020, activism, activist, anniversary, banner, boris nemtsov, city, crowd, crowded, democracy, demonstration, editorial, event, flag, flags, freedom, government, group, march, meeting, moscow, murder, navalny, nemtsov, opposition, opposition russia, outdoor, people, person, poisoning, police, political, politician, politics, poster, protest, protester, protesters, protests, putin, rally, revolution, rights, riot, russia, russian, sign, street, support, urban,