Image source, Getty Images
Aston Villa person created different tifo banners for Champions League matches this season
Tasnim Chowdhury
BBC Sport journalist
Manchester United are nan latest shot nine to choreograph a 'tifo' banner, earlier they look Lyon successful their Europa League quarter-final 2nd limb astatine Old Trafford connected Thursday.
Tifos are seen crossed European shot stadiums arsenic ways to build up nan ambiance and motivate teams earlier kick-off.
BBC Sport's Ask Me Anything squad looks astatine what a tifo banner is.
What is tifo?
'Tifo' intends a emblem aliases banner that is held up by fans during a match, deriving from 'tifosi', which intends a group of sports fans.
The civilization originates from Italy and confederate Europe and has accelerated dispersed crossed nan continent.
Banners are planned and created by supporters clubs - a unique, ocular dedication to their nine aliases a circumstantial subordinate aliases sometimes a governmental aliases societal message.
Clubs tin besides sometimes get progressive successful nan readying process.
They are usually immense and visually spectacular - and make usage of nine colours - moving nan full tallness aliases magnitude of a stand.
They tin besides beryllium for illustration a elephantine mosaic, wherever fans travel together to clasp coloured paper aliases worldly to shape a azygous image.
They are revealed by fans successful nan stands earlier a game, and are intended to adhd to nan atmosphere.
Why are they becoming common?
Tifos are becoming much communal arsenic fans activity ways to build ambiance and effort to boost their team's chances of winning.
Many clubs mention to their fans arsenic their unofficial 12th subordinate - pinch immoderate making it charismatic by springiness their supporters nan number 12 connected their squad list.
Tifos are a imaginative measurement to pat into that instrumentality passion, specifically during section derbies aliases European shot nights.
Aston Villa fans person displayed a bid of unique tifo banners astatine their location Champions League matches this season, including 1 featuring stone fable Ozzy Osbourne earlier their lucifer against Celtic successful January.
What do they mean to fans?
Image source, Getty Images
Borussia Dortmund's Yellow Wall is celebrated for its tifos
Tifos are a measurement for fans to travel together to definitive their support and loyalty.
Borussia Dortmund's celebrated Yellow Wall - homed connected nan largest terrace successful European shot - has hosted a bid of unique tifos, including 1 arsenic a tribute to long-serving midfielder Marco Reus erstwhile he near nan nine past summer.
But tifos tin besides beryllium utilized to mock opponents - arsenic happened erstwhile Manchester City fans displayed a banner astatine their lucifer against Real Madrid successful February.
The banner highlighted Rodri's Ballon d'Or triumph and referenced nan opus Stop Crying Your Heart Out by Manchester set (and City fans) Oasis - making nosy of nan truth that Real boycotted nan ceremony because they felt Vinicius Jr should person won.
How are they made?
Supporter groups scheme retired their designs, which are past printed aliases hand-painted.
If it is simply a mosaic banner, coloured paper is near connected seats aliases terracing for fans to clasp up astatine nan correct moment.
Tifos are often paid for by fans, done groups aliases funding, though clubs and players tin get progressive too.
Fans will get astatine nan stadium early, fresh to group up nan banner.
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