 Because what you drop, a cow could be eating in three weeks' time. And it's not just music. There's art, magic, acrobats, political activism. Last year, this festival raised more than $2 million for three big charities, Greenpeace, WaterAid, and Oxfam. That's NPR's Lauren Frayer at the Glastonbury Music Festival in southwest England. Lauren, enjoy this hardship assignment. Thanks so much. Thank you.