Controlled fires lit by residents glow in the hills over the village of Pottenstein during the annual Epiphany celebration on January 6, 2012 in Pottenstein, Germany. The ceremony, which also includes a procession with torches through the village center, is part of a tradition going back to 1905. Pottenstein was once a pilgrimage destination. (Photo by Johannes Simon/Getty Images)

A chimp motions for Santa to deliver his gift during Lion Country Safari's annual Christmas with the Chimps on Thursday, December 20, 2012. (Photo by Bruce R. Bennett/The Palm Beach Post)

People jump over a campfire during a celebration on the traditional Ivana Kupala (Ivan the Bather) holiday, the ancient tradition, originating from pagan times, is usually marked with grand overnight festivities during which people sing and dance around campfires, believing it will purge them of their sins and make them healthier, in Kiev, Ukraine, July 6, 2016. (Photo by Gleb Garanich/Reuters)

Villagers take part in Kolyada holiday celebrations in the village of Martsiyanauka, east of the capital Minsk, January 21, 2015. Local residents took part in the celebrations to mark the end of a pagan winter holiday Kolyada, which over the centuries has merged with Orthodox Christmas celebrations. (Photo by Vasily Fedosenko/Reuters)

A man walks with a giant rake during carnival celebrations in Zubieta January 27, 2015. Bell carrying dancers known as Joaldunak from Zubieta and neighbouring Ituren visit each other's villages performing a ritual dance to ward off evil spirits and awaken the coming spring. Alongside the dancers, villagers dress in bizarre and frightening costumes to harass and scare visitors. (Photo by Vincent West/Reuters)

Devotees bow to a passingTibetan Buddhist monk on his way to take part in a special prayer during Monlam or the Great Prayer rituals on March 5, 2015 at the Labrang Monastery, Xiahe County, Amdo, Tibetan Autonomous Prefecture, Gansu Province, China. Labrang Monastery is one of the six great monasteries of the Gelug school of Tibetan Buddhism and one of the largest outside of the Tibetan Autonomous Region. Monlam, the most important prayer event for many Tibetans was banned during the Cultural Revolution in China but once again in recent years it is celebrated in many areas. (Photo by Kevin Frayer/Getty Images)

A reveller dressed as Spider-Man takes part in a presentation at the top of a building during an annual block party known as “Enquanto isso na Sala da Justiça” (Meanwhile, in the justice room), one of the many carnival parties taking place in the neighbourhood of Olinda, Brazil February 7, 2016. (Photo by Ueslei Marcelino/Reuters)

A 14 year-old Myanmar girl carries three bags of powdered-limestone to load in to a boat on the bank of Ayeyarwaddy River, on International Women's Day in Mandalay, Myanmar, Tuesday, March 8, 2016. Migrant workers living along Ayeyarwaddy riverbank earn bout 5000 Kyats (US Dollar 4) a day for loading and unloading goods. (Photro by Hkun Lat/AP Photo)