An entertainer performs at the Unfairground during day two of Glastonbury Festival at Worthy Farm, Pilton on June 27, 2019 in Glastonbury, England. The festival, founded by farmer Michael Eavis in 1970, is the largest greenfield music and performing arts festival in the world. Tickets for the festival sold out in just 36 minutes as it returns following a fallow year. (Photo by Jim Dyson/Getty Images)





A festival goer breathe nitrous oxide on the first day of the Glastonbury Festival at Worthy Farm in Somerset, Britain 26 June 2019. Glastonbury Festival of Contemporary Performing Arts is a five-day festival of contemporary performing arts that takes place in Pilton, Somerset, west England, from 26 to 30 June 2019. (Photo by South West News Service)





Festival goers eat ice-cream during the Glastonbury Festival in Pilton, Britain, 27 June 2019. Glastonbury Festival of Contemporary Performing Arts is a five-day festival running from 26 to 30 June. (Photo by Neil Hall/EPA/EFE)





Revellers attend the Glastonbury Festival of Music and Performing Arts on Worthy Farm near the village of Pilton in Somerset, South West England, on June 27, 2019. (Photo by Oli Scarff/AFP Photo)





A girl fires a water pistol to cool off on the festival's second day at Glastonbury Festival in Pilton, Britain, 27 June 2019. (Photo by South West News Service)





Protestors from Climate change group Extinction rebellion walk through Glastonbury Festival of Music and Performing Arts on Worthy Farm near the village of Pilton in Somerset, South West England, on June 27, 2019. (Photo by Oli Scarff/AFP Photo)





Dua Lipa seen at Glastonbury Festival 2019 on June 27, 2019 in Glastonbury, England. (Photo by GC Images/GC Images)





England fans react as they watch England's victory over Norway in the 2019 FIFA Women's World Cup quarter-finals on the West Holts stage during day two of Glastonbury Festival at Worthy Farm, Pilton on June 27, 2019 in Glastonbury, England. (Photo by Leon Neal/Getty Images)





Festival goers enjoy day two of Glastonbury Festival at Worthy Farm, Pilton on June 27, 2019 in Glastonbury, England. (Photo by Shirlaine Forrest/WireImage)





Festival goers enjoy day two of Glastonbury Festival at Worthy Farm, Pilton on June 27, 2019 in Glastonbury, England. (Photo by Shirlaine Forrest/WireImage)





Festival goers ride a makeshift slip and slide during day two of Glastonbury Festival at Worthy Farm, Pilton on June 27, 2019 in Glastonbury, England. (Photo by Shirlaine Forrest/WireImage)





Festival goers take a water break on the third day of Glastonbury Festival at Worthy Farm, Somerset, England, Friday, June 28, 2019. Temperatures are expected to soar over the weekend as a heatwave hits parts of Europe, while the festival runs for five days and is one of the largest events of its kind in the world. (Photo by South West News Service)





A festival-goer headbangs to the music of The Vaccines on the Other Stage on the third day of the Glastonbury Festival of Music and Performing Arts on Worthy Farm near the village of Pilton in Somerset, South West England, on June 28, 2019. (Photo by South West News Service)





Festival-goers enjoy the fine weather on the third day of the Glastonbury Festival of Music and Performing Arts on Worthy Farm near the village of Pilton in Somerset, South West England, on June 28, 2019. (Photo by Oli Scarff/AFP Photo)





Festival goers pose for photographers on the third day of Glastonbury Festival at Worthy Farm, Somerset, England, Friday, June 28, 2019. Temperatures are expected to soar over the weekend as a heatwave hits parts of Europe, while the festival runs for five days and is one of the largest events of its kind in the world. (Photo by Joel C. Ryan/Invision/AP Photo)





Festival-goers pose for a photograph as they enjoy the fine weather on the third day of the Glastonbury Festival of Music and Performing Arts on Worthy Farm near the village of Pilton in Somerset, South West England, on June 28, 2019. (Photo by Oli Scarff/AFP Photo)





Festival-goers in fancy dress enjoy the fine weather on the third day of the Glastonbury Festival of Music and Performing Arts on Worthy Farm near the village of Pilton in Somerset, South West England, on June 28, 2019. (Photo by Oli Scarff/AFP Photo)





Festival-goers watch Ms. Lauryn Hill on the Pyramid Stage in the evening sunshine on the third day of the Glastonbury Festival of Music and Performing Arts on Worthy Farm near the village of Pilton in Somerset, South West England, on June 28, 2019. (Photo by Oli Scarff/AFP Photo)





Festival-goers dance at the Beat Hotel as the sun begins to set on day four of Glastonbury Festival at Worthy Farm, Pilton on June 29, 2019 in Glastonbury, England. Glastonbury is the largest greenfield festival in the world, and is attended by around 175,000 people. (Photo by Leon Neal/Getty Images)





A performer at the Unfairground area at the Glastonbury Festival in Pilton, Britain 27 June 2019. Glastonbury Festival of Contemporary Performing Arts is a five-day festival of contemporary performing arts that takes place in Pilton, Somerset from 26 to 30 June. (Photo by Neil Hall/EPA/EFE/Rex Features/Shutterstock)





A festival-goer poses for a photograph within a hanging chair on day two of Glastonbury Festival at Worthy Farm, Pilton on June 27, 2019 in Glastonbury, England. Glastonbury is the largest greenfield festival in the world, and is attended by around 175,000 people. (Photo by Leon Neal/Getty Images)





Revellers experience the Block9 area of the Glastonbury Festival of Music and Performing Arts on Worthy Farm near the village of Pilton in Somerset, South West England, on June 28, 2019. (Photo by Oli Scarff/AFP Photo)





A couple sleep on the ground in front of the pyramid stage at Glastonbury Festival of Music and Performing Arts on Worthy Farm near the village of Pilton in Somerset, South West England, on July 1, 2019. (Photo by Oli Scarff/AFP Photo)





Festival-goers walk amongst the previous nights rubbish at Glastonbury Festival in Pilton, Britain, early 01 July 2019. The Glastonbury Festival of Contemporary Performing Arts is a five-day festival of contemporary performing arts that takes place in Pilton, Somerset, from 26 to 30 June. (Photo by Neil Hall/EPA/EFE)





Festival goers are seen in the early hours of the morning following the end of Glastonbury Festival in Somerset, Britain on July 1, 2019. (Photo by Henry Nicholls/Reuters)