A man reacts after catching a trout with his hands during an event promoting the Ice Festival on a frozen river in Hwacheon, about 20 km (12 miles) south of the demilitarized zone separating the two Koreas, January 10, 2015. The annual ice festival, which is one of the most famous and biggest festivals in South Korea, expects to see more than 1,000,000 people attend. The festival lasts for three weeks from January 10 this year. (Photo by Kim Hong-Ji/Reuters)

Young women sit at a doorway during the annual San Antonio Abad (Saint Anton Abbott) festival in Trigueros, southwest Spain January 25, 2015. Thousands of people arrived in Trigueros to participate in this annual catching of food and presents, part of a traditional three-day religious festival. (Photo by Marcelo del Pozo/Reuters)

A Tibetan man stirs butter tea made for the arriving guest during the function organised to mark Losar or the Tibetan New Year at a Tibetan Refugee Camp in Lalitpur February 19, 2015. Tibetans across the world marked the arrival of the New Year with prayers and festivities. (Photo by Niranjan Shrestha/AP Photo)

Models present outfits made with air balloons during an international festival of air balloons design in Almaty, Kazakhstan, July 9, 2015. (Photo by Shamil Zhumatov/Reuters)

An Indonesian model wearing a colorful costume participates in a parade during the Batam Island International Culture Festival in Batam Island, Indonesia, 16 December 2017. Batam Island, an industrial area in Indonesia, is boosting the tourism sector to improve the economy of its community by eyeing the visitors' boom of next door country Singapore. (Photo by Hotli Simanjuntak/EPA/EFE)

In this Thursday, May 24, 2018, photograph, artists of Ukraine's Artel Myth theatre perform “A day in the life of Ukrainians” at the Living Statues International Festival, in Bucharest, Romania. Up to thirty thousand people enjoyed a week of street performances by reputed artists from eight countries in the “largest European festival of the genre”. (Photo by Vadim Ghirda/AP Photo)

A Tibetan rider fires his weapon as he perfoms his riding skills at the Qinghai Yushu Horse Racing Festival on July 27, 2007 in Yushu County of Yushu Tibetan Autonomous Prefecture, Qinghai Province, northwest China. The Horse Racing Festival of Tibetan nomads in Yushu Prefecture falls in late July and early August on the Tibetan calendar. During the festival, various equestrian skills will be performed along with singing, dancing and costume shows. (Photo by China Photos/Getty Images)

Actress Tang Wei poses at the “Wu Xia” portrait session during the 64th Annual Cannes Film Festival on May 15, 2011 in Cannes, France. (Photo by Andreas Rentz/Getty Images)