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TOPSHOT - Demonstrators wave Catalan pro independence 'Estelada' flags as they protest to demand a Catalan republic, called by the pro-independence Catalan National Assembly (ANC) citizens' group in Barcelona on March 11, 2018. Tens of thousands of Catalans demonstrated in Barcelona today to demand unity to separatist political parties to form a government and implement the republic they declared in October but could not deploy due to the Spanish government intervention. (Photo by Pau Barrena / AFP) (Photo by PAU BARRENA/AFP via Getty Images)