Catalan opposition leader Ines Arrimadas from the Ciudadanos party, center left and the President of the party, Albert Rivera, center right, march during a mass rally against Catalonia's declaration of independence, in??Barcelona, Spain, Sunday, Oct. 29, 2017. Thousands of opponents of independence for Catalonia held the rally on one of the city's main avenues after one of the country's most tumultuous days in decades.(AP Photo/Santi Palacios)