Argentinian football supporters are a fanatical lot, and River Plate's contingent have lived up to their raucous reputation by brandishing the biggest flag in the world.
![](https://img.huffingtonpost.com/asset/5d0292382100003711f08b7a.jpeg?ops=scalefit_720_noupscale)
Supporters marched with the world's largest piece of cloth - measured at 7,829 metres long - through a street in Buenos Aires on Monday.
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And Los Millonarios' followers efforts will be noted when they are listed in the Guinness Book of World Records in due course.