Hippies at the Bardney Pop Festival, in June of 1972.
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- Festival season is in full swing.
- Glastonbury Festival, which typically pours millions of pounds into the UK's economy, ended June 30.
- But while there are more festivals than ever before, they're not a new phenomenon.
It seems like every other week, there's a new music festival promising to be the greatest weekend ever. In addition to all of these new events popping up around the world...