Barcelona beat Real Madrid 2-1 in El Clasico on Sunday evening . 98,000 Barca fans form spectacular mosaic holding up pieces of card . Display was praising the club 's 12th man - the fans themselves . Luis Suarez scored winner as hosts opened up four-point lead in the Nou Camp . READ : Barcelona players get suited and booted for El Clasico celebrations . READ : Five things we learned from El Clasico .
Barcelona beat Real Madrid 2-1 in El Clasico on Sunday evening . 98,000 Barca fans form spectacular mosaic holding up pieces of card . Display was praising the club 's 12th man - the fans themselves . Luis Suarez scored winner as hosts opened up four-point lead in La Liga . READ : Barcelona players get suited and booted for El Clasico celebrations . READ : Five things we learned from El Clasico .