In this Sunday, Sept. 20, 2015 photo, an "estelada" or pro independence flag hangs on a building as people look at human towers or "Castellers" in San Jaime square in Barcelona, Spain. Catalans vote Sunday in regional parliamentary elections that the breakaway camp hopes will give them a mandate to put their region on a path toward independence _ a goal the Madrid central government says would be illegal.
In this Sunday, Sept. 20, 2015 photo, badges referring to the independence of Catalonia are displayed for sale at a political meeting of the radical left party CUP in Barcelona, Spain. Catalans vote Sunday in regional parliamentary elections that the breakaway camp hopes will give them a mandate to put their region on a path toward independence _ a goal the Madrid central government says would be illegal.
In this Wednesday, Sept. 23, 2015 photo, a woman attaches an "estelada" or pro independence flag on her balcony in Barcelona, Spain. Catalans vote Sunday in regional parliamentary elections that the breakaway camp hopes will give them a mandate to put their region on a path toward independence _ a goal the Madrid central government says would be illegal.
In this Sunday, Sept. 20, 2015 photo, members of the radical left party CUP rise their hands during a political meeting in Barcelona, Spain. Catalans vote Sunday in regional parliamentary elections that the breakaway camp hopes will give them a mandate to put their region on a path toward independence _ a goal the Madrid central government says would be illegal.
In this Sunday, Sept. 20, 2015 photo, members of a "castellers" or human towers, one of them wearing a backpack decorated with an "estelada" or pro independence flag, wait their turn to performing in San Jaime square in Barcelona, Spain. Catalans vote Sunday in regional parliamentary elections that the breakaway camp hopes will give them a mandate to put their region on a path toward independence _ a goal the Madrid central government says would be illegal.
In this Sunday, Sept. 20, 2015 photo, a sign language interpreter, right, translates as the leader of the radical left party CUP David Fernandez speaks, next to a picture of Spain's King Felipe VI, during a political meeting in Barcelona, Spain. Catalans vote Sunday in regional parliamentary elections that the breakaway camp hopes will give them a mandate to put their region on a path toward independence _ a goal the Madrid central government says would be illegal.
In this Sunday, Sept. 20, 2015 photo, people line up as they wait to attend a political meeting of the radical left party CUP in Barcelona, Spain. Catalans vote Sunday in regional parliamentary elections that the breakaway camp hopes will give them a mandate to put their region on a path toward independence _ a goal the Madrid central government says would be illegal.
In this Wednesday, Sept. 23, 2015 photo, a pro independence supporter attends a rally of "Junts pel Si" or "Together for YES" in Barcelona, Spain. Catalans vote Sunday in regional parliamentary elections that the breakaway camp hopes will give them a mandate to put their region on a path toward independence _ a goal the Madrid central government says would be illegal.
In this Thursday, Sept. 24, 2015 photo, people attend an electoral meeting of the "Ciutadans" party or Citizens in Mataro, near Barcelona, Spain. Catalans vote Sunday in regional parliamentary elections that the breakaway camp hopes will give them a mandate to put their region on a path toward independence _ a goal the Madrid central government says would be illegal.
In this Sunday, Sept. 20, 2015 photo, people buy stuff referring to the independence of Catalonia, before attending a political meeting of the radical left party CUP in Barcelona, Spain. Catalans vote Sunday in regional parliamentary elections that the breakaway camp hopes will give them a mandate to put their region on a path toward independence _ a goal the Madrid central government says would be illegal.
In this Sunday, Sept. 20, 2015 photo, Josep Manuel Busqueta, a candidate of the radical left party CUP, carries a picture of German Chancellor Angela Merkel, during a political meeting in Barcelona, Spain. Catalans vote Sunday in regional parliamentary elections that the breakaway camp hopes will give them a mandate to put their region on a path toward independence _ a goal the Madrid central government says would be illegal.
In this Wednesday, Sept. 23, 2015 photo, a pro independence supporter attends a rally of "Junts pel Si" or "Together for YES" in Barcelona, Spain. Catalans vote Sunday in regional parliamentary elections that the breakaway camp hopes will give them a mandate to put their region on a path toward independence _ a goal the Madrid central government says would be illegal.
In this Wednesday, Sept. 23, 2015 photo, pro independence supporters attend a rally of "Junts pel Si" or "Together for YES" in Barcelona, Spain. Catalans vote Sunday in regional parliamentary elections that the breakaway camp hopes will give them a mandate to put their region on a path toward independence _ a goal the Madrid central government says would be illegal.
In this Wednesday, Sept. 23, 2015 photo, a woman attaches an "estelada" or pro independence flag on her balcony in Barcelona, Spain. Catalans vote Sunday in regional parliamentary elections that the breakaway camp hopes will give them a mandate to put their region on a path toward independence _ a goal the Madrid central government says would be illegal.
In this Sunday, Sept. 20, 2015 photo, members of the radical left party CUP rise their hands during a political meeting in Barcelona, Spain. Catalans vote Sunday in regional parliamentary elections that the breakaway camp hopes will give them a mandate to put their region on a path toward independence _ a goal the Madrid central government says would be illegal.
In this Sunday, Sept. 20, 2015 photo, members of a "castellers" or human towers, one of them wearing a backpack decorated with an "estelada" or pro independence flag, wait their turn to performing in San Jaime square in Barcelona, Spain. Catalans vote Sunday in regional parliamentary elections that the breakaway camp hopes will give them a mandate to put their region on a path toward independence _ a goal the Madrid central government says would be illegal.
In this Sunday, Sept. 20, 2015 photo, people line up as they wait to attend a political meeting of the radical left party CUP in Barcelona, Spain. Catalans vote Sunday in regional parliamentary elections that the breakaway camp hopes will give them a mandate to put their region on a path toward independence _ a goal the Madrid central government says would be illegal.
In this Wednesday, Sept. 23, 2015 photo, a pro independence supporter attends a rally of "Junts pel Si" or "Together for YES" in Barcelona, Spain. Catalans vote Sunday in regional parliamentary elections that the breakaway camp hopes will give them a mandate to put their region on a path toward independence _ a goal the Madrid central government says would be illegal.
In this Thursday, Sept. 24, 2015 photo, people attend an electoral meeting of the "Ciutadans" party or Citizens in Mataro, near Barcelona, Spain. Catalans vote Sunday in regional parliamentary elections that the breakaway camp hopes will give them a mandate to put their region on a path toward independence _ a goal the Madrid central government says would be illegal.
In this Sunday, Sept. 20, 2015 photo, people buy stuff referring to the independence of Catalonia, before attending a political meeting of the radical left party CUP in Barcelona, Spain. Catalans vote Sunday in regional parliamentary elections that the breakaway camp hopes will give them a mandate to put their region on a path toward independence _ a goal the Madrid central government says would be illegal.
In this Sunday, Sept. 20, 2015 photo, Josep Manuel Busqueta, a candidate of the radical left party CUP, carries a picture of German Chancellor Angela Merkel, during a political meeting in Barcelona, Spain. Catalans vote Sunday in regional parliamentary elections that the breakaway camp hopes will give them a mandate to put their region on a path toward independence _ a goal the Madrid central government says would be illegal.
In this Wednesday, Sept. 23, 2015 photo, a pro independence supporter attends a rally of "Junts pel Si" or "Together for YES" in Barcelona, Spain. Catalans vote Sunday in regional parliamentary elections that the breakaway camp hopes will give them a mandate to put their region on a path toward independence _ a goal the Madrid central government says would be illegal.
In this Wednesday, Sept. 23, 2015 photo, pro independence supporters attend a rally of "Junts pel Si" or "Together for YES" in Barcelona, Spain. Catalans vote Sunday in regional parliamentary elections that the breakaway camp hopes will give them a mandate to put their region on a path toward independence _ a goal the Madrid central government says would be illegal.