revellers

Festival goers arriving for the Glastonbury Festival, at Worthy Farm in Somerset

Yui Mok/PA

Festival goers arrive for the Glastonbury Festival, at Worthy Farm in Somerset on Wednesday

Revellers wear costumes as they stretch whilst welcoming others to Morning Glory, at a venue in Hackney, London...Revellers wear costumes as they stretch whilst welcoming others to Morning Glory, at a venue in Hackney, London, January 22, 2014. Morning Glory is a nightclub which operates once a month from 6:30 to 10:30 am, at which revellers drink fruit smoothies, coffee and dance to high energy music, sometimes in their sleepwear. Revellers also enjoy yoga and massages, before changing into their work clothing and heading off to their day jobs. REUTERS/Andrew Winning

Andrew Winning/Reuters

Revellers stretch while welcoming others to Morning Glory, at a venue in Hackney, London. Morning Glory is a nightclub that operates once a month from 6.30am to 10.30am, at which revellers drink fruit smoothies, coffee and dance to high energy music, sometimes in their sleepwear. Revellers also enjoy yoga and massages, before changing into their work clothing and heading off to their day jobs.

The Hoppeditz, a symbol for carnival, greets hundreds of fools in the streets of downtown Duesseldorf, Germany  after the symbolic awakening from inside a mustard pot on Monday Nov.11, 2013.  November 11,  11:11 o'clock is  the traditional start of the carnival season in Germany  with the  highlight, the street carnival parades on Rose Monday.

Frank Augstein/AP

The Hoppeditz, the carnival figurehead that is woken from his slumber at 11.11am on November 11, greets hundreds of fools in the streets of Duesseldorf, Germany. This is the traditional start of the carnival season in Germany with the highlight being the street carnival parades on Rose Monday

Two Revellers kiss each other covered in tomato pulp while participating the annual Tomatina festival on Wednesday in Bunol, Spain. An estimated 20,000 people threw 130 tons of ripe tomatoes in the world's biggest tomato fight held annually in this Spanish Mediterranean town.

David Ramos/Getty Images

Revellers participate in the annual Tomatina festival on Wednesday in Bunol, Spain. An estimated 20,000 people threw 130 tonnes of tomatoes in the world’s biggest tomato fight, held annually in this Spanish Mediterranean town.

People play in the mud during the Boryeong Mud Festival at Daecheon beach in Boryeong, about 190 km (118 miles) southwest of Seoul, July 19, 2013. About 2 to 3 million domestic and international tourists visit the beach during the annual mud festival, according to the festival organisers.

Lee Jae-Won/Reuters

People play in the mud during the Boryeong Mud Festival at Daecheon beach in Boryeong, about 190 km southwest of Seoul. About 2m-3m domestic and international tourists visit the beach during the annual festival.