Tourists look at other festival-goers playing 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. (Photo by Lee Jae-Won/Reuters)

A racegoer cheers on their horse at Cheltenham Racecourse for ladies day on March 16, 2011 in Cheltenham, England.

Director Lars Von Trier attends the “Melancholia” photocall at the Palais des Festivals during the 64th Cannes Film Festival on May 18, 2011 in Cannes, France. (Photo by Pascal Le Segretain/Getty Images)

A fan lies passed out on the first day of the Wacken Open Air heavy metal music fest on August 4, 2011 in Wacken, Germany. Approximately 75,000 heavy metal fans from all over the world have descended on the north German village of 1,800 residents for the annual three-day fest. (Photo by Sean Gallup/Getty Images)

“Incheon Pentaport Rock Festival is a rock festival, which is held annually in Incheon, South Korea for three days at the end of July. It is considered as one of the biggest live music events in South Korea. The festival covers various genres of music, but mainly rock music and electronic music. The name came from five main themes of the festival; music, passion, environment friendly, DIY, and friendship”. – Wikipedia

Photo: Festival-goers enjoy a performance during day two of the Pentaport Rock Festival at Dream Park on August 6, 2011 in Incheon, South Korea. (Photo by Chung Sung-Jun/Getty Images)

A woman poses for a photograph with light sculptures depicting animals that make up the twelve animals of the zodiac during a photocall to promote the Magical Lantern Festival at Chiswick House Gardens in west London on January 29, 2016. The festival, to celebrate Chinese New Year 2016 – the Year of the Monkey, uses more than 50 hand-sculpted lanterns and is set to run from Febuary 3 to March 6, 2016. (Photo by Justin Tallis/AFP Photo)

Hindu devotees take part in the religious festival of Holi, also known as the festival of colours, in the town of Barsana in the Uttar Pradesh region of India, March 16, 2016. (Photo by Cathal McNaughton/Reuters)

People sit on a cart with a camel tied to it during “Temeenii bayar”, the Camel Festival, in Dalanzadgad, Umnugobi aimag, Mongolia, March 6, 2016. On the steppes of the Gobi Desert, the crowd urges on Bactrian camels laden down with all that's needed to build and live in a traditional Mongolian tent. Guinness World Records classes the 15 km race thatÕs part of the two-day festival as the largest camel race in the world, drawing 1,108 participants. The winning camel romped home in 35 minutes and 12 seconds, according to the records website. (Photo by B. Rentsendorj/Reuters)