Organisers of the world's biggest metal music festival called the Wacken Open Air Festival have announced plans to construct a special beer pipeline for this year's gig in Germany to ensure smooth distribution of its freeflow beer supply to concertgoers. 

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Not just renowned for its metal music, metalheads that attend this festival annually are also famed for their ability to consume copious amounts of beer. According to organisers, each of the gig's 75,000 attendees can consume up to 5.1 litres of beer on average. 

With that in mind, Wacken's organisers have decided to construct the special beer pipeline to ensure an uninterrupted flow of the prized brew for metalheads attending the three-day metal music fest in Northern Germany this year.

The beer pipeline will run through a 7km-long network of conduit pipeline buried two-and-a-half feet beneath the ground to carry approximately 400,00 litres of beer to fans. Additionally, the pipeline will have enough pressure to pour six beers in six seconds too. 

"Until this year, we always had to move dozens of barrels through the infield," said the festival's organisers on via the festival's official website. They further added, "This caused a lot of avoidable traffic. The new pipeline helps us to protect the floor!"

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Wacken's ingenious beer pipeline will not only avoid damaging the grounds as a result of trucks coming in and out to send beer barrels, its network of pipes will also allow the festival site to be farmed normally throughout the rest of the year too. 

Surely, this is one smart and ingenious beer delivery system that every concert needs, especially when draught beer barrels are simply not enough.