Ключевые слова: 2018, april, banner, barcelona, catalan, catalonia, city, day, decision, demonstration, europe, european, flag, freedom, government, group, independence, manifestation, meeting, nation, national, patriotism, people, person, politics, popular, prison, prisoner, prisoners, protest, protesters, red, spain, spain square, spanish, state, street, striped, symbol, unity, white, yellow,