Ключевые слова: activism, activist, banner, campaign poster, change, climate, climate change, climate march, crowd, demonstrate, demonstration, eco, ecological, environment, environmental, environmentalists, europe, european, extinction, extinction rebellion, global, global warming, great britain, green, humanity, london, march, movement, people, placard, political, politics, pollution, poster, protest, protesters, protesting, rally, rebellion, revolution, sign, slogan, symbolic, together, tourist attraction, uk, united kingdom, warming, whitehall, xr,