The Roskilde Festival opened its gates on Saturday to some 50,000 eager campers who settled in for a week of cathartic ventures that do away with the conformity and structure of the everyday. Another 50,000-plus or so will file in as the main musical line-up gets underway on Wednesday.
Attendees of the 2015 edition have been promised wonderful weather and a concert line-up that once again has something for all tastes.
What started out started out as an early 70s idealist experiment modelled on the ethos of marquee counterculture happenings such as Woodstock and Isle of Man has evolved into one of Europe's giants on the festival scene.
Now in its 45th year, Roskilde shows few signs of entering into a mid-life crisis. Indeed this year it has new tricks up its sleeve in the form of a completely-revamped stage and a project that takes sustainability to a whole other level.
So whether you're a Roskilde veteran or a newbie, here are a few things you might not know about Denmark's week-long party.