Some feel it's no big deal, but others think it is a mark of disrespect - Goal takes a look the gesture that has tensions raised ahead of El Clasico
Barcelona welcome eternal rivals Real Madrid to Camp Nou on Sunday for what will be the 237th Clasico and the build-up to the game has been dominated by a question of respect.
The Blaugrana are already La Liga champions, having wrapped up the title with a 4-2 win over Deportivo La Coruna, and tradition dictates that Madrid honour their rivals with a pasillo ahead of the game.