Ключевые слова: 11, 2017, assemblea, barcelona, catalan, catalonia, catalunya, claim, crowd, crowded, cultural, day, demonstration, diada, estelada, europe, european, flag, gracia, horizontal, independence, independencia, march, nacional, national, omnium, onze, partakers, paseo, paseo de gracia, passeig, passeig de gracia, people, persons, political, politics, protest, rally, riot, rioters, secession, senyera, separatism, separatist, september, setembre, spain, spanish, supporters, supports,