Revellers enjoy the pyrotechnic display as they dance to the music at the Arcadia arena, on the second day of the Glastonbury Festival of Music and Performing Arts in Somerset, southwest England, on June 28, 2014. US metal giants Metallica will play this year's coveted Saturday night headline spot at Britain's Glastonbury festival, organisers announced Thursday. It will be the "Master of Puppets" four-piece's first appearance at the legendary festival, held in south west England, following on from The Rolling Stones' Worthy Farm debut last year. AFP PHOTO / LEON NEALLEON NEAL/AFP/Getty Images
