Worthy Farm

The crowd watching Rudimental on the Pyramid Stage, at the Glastonbury Festival, at Worthy Farm in Somerset. PRESS ASSOCIATION Photo. Picture date: Friday June 27, 2014.

Yui Mok/PA

The crowd watching Rudimental on the Pyramid Stage on the first day of the Glastonbury Festival, at Worthy Farm in Somerset

Festival goers arriving for the Glastonbury Festival, at Worthy Farm in Somerset.  Picture date: Wednesday June 26, 2013.

Yui Mok/PA

Festival goers arrive for the Glastonbury Festival, at Worthy Farm in Somerset, on Wednesday. The 42nd festival will run until June 30, headlined by the Rolling Stones.