A festival-goer ploughs through thick mud ahead of the annual Glastonbury Music Festival, at Pilton, England, Thursday, June 23, 2011, as more of the 170,000 music fans expected to attend the sell-out... more 
A festival-goer ploughs through thick mud ahead of the annual Glastonbury Music Festival, at Pilton, England, Thursday, June 23, 2011, as more of the 170,000 music fans expected to attend the sell-out festival arrived at the venue. The festival, 40 years old, will be headlined by U2, Coldplay and Beyonce amongst others.(AP Photo/Joel Ryan) less 
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Associated Press | Photo By Joel Ryan
Thu, Jun 23, 2011 10:55 AM EDT