"Som I Serem" ("We are and will be") - the message that will also greet Milan tonight
Ninety-thousand placard-waving fans will seek to intimidate AC Milan in the second leg of Barcelona's Champions League last-16 tie on Tuesday night.
The Catalan club's fans are famous for their 'mosaics' - here is a selection of the best pictures of the Blaugrana faithful in action.
Real Madrid's welcome ahead of a Clasico this season
Fans hold "Estelada", the flag of Catalan independence, before a Clasico last year
Barcelona and AC Milan ahead of their meeting in 2006. The match ended 0-0 and Barca wonRead More »from Gallery: 90,000 Barca fans prepare SPECTACULAR welcome for Milan