Revellers cool themselves in the Danube River during the Sziget music festival on an island in Budapest, Hungary August 12, 2015. The event is one of the biggest cultural events of Europe, offering art exhibitions, theatrical and circus performances and music concerts. Almost 200 performers from 47 countries will entertain the hundreds of thousands of visitors from 11 to 18 August. (Photo by Laszlo Balogh/Reuters)

Revellers, dressed as “Zarramaches”, pose inside the city hall during celebrations to mark Saint Blaise's festivity in Casavieja, Spain February 3, 2017. (Photo by Sergio Perez/Reuters)

A reveller participates in a flour fight during the “O Entroido” festival in Laza village, Spain February 27, 2017. (Photo by Miguel Vidal/Reuters)

A woman poses for photographs with traditional side dish Kimchi during the Seoul Kimchi Festival in central Seoul, South Korea, November 4, 2016. Kimchi made with cabbage, other vegetables and chili sauce and kimchi is the most popular traditional food in Korea. (Photo by Kim Hong-Ji/Reuters)

Nepalese Hindu devotees offer oil lamps in the Bagmati River as they observe the festival of Bala Chaturdashi in the early morning hours at the Pashupati Temple in Kathmandu, Nepal, 28 November 2016. Seven kinds of seeds – paddy, barley, sesame, wheat, gram, maize and finger millet – are sown around the temple premises in the name of loved ones departed during the last three years, in the belief that the departed souls will receive salvation. (Photo by Narendra Shrestha)

Participants fancy dressed go downhil in the XXVII Car Festival in a homemade cart in the Santa Elena Municipality, near Medellin, Antioquia department, Colombia, on December 18, 2016. (Photo by Raul Arboleda/AFP Photo)

Nepalese women performs ritual as they take a holy bath in the Bagmati River, during the Rishi Panchami festival, in Kathmandu, Nepal September 18, 2015. Rishi Panchami is observed on the last day of Teej when women worship Sapta Rishi (Seven Saints) to ask for forgiveness for sins committed during their menstrual periods throughout the year. The Hindu religion considers menstruation as a representation of impurity and women are prohibited from taking part in religious practices during their monthly menstruations. (Photo by Navesh Chitrakar/Reuters)

A visitor takes photos while attending the Dandenong Festival of Lights in the suburb of Dandenong in Melbourne, Australia, September 23, 2015. The month-long festival, set up by the Chinese Cultural Works Light Spectacular, celebrates Chinese culture through a display of hundreds of beautiful and unique silk light displays, according to the event's website. (Photo by Darrin Zammit Lupi/Reuters)