Balloons participate in the Balloon Spectacular during Canberra Festival on March 10, 2012 in Canberra, Australia. The annual balloon festival in Canberra is considered one of the best in the world, and is unique in allowing patrons to float above Parliament, embassies and other government buildings. Canberra is celebrating its 99th birthday in 2012, with over 50 events in the 17 day Canberra Festival. (Photo by Cameron Spencer/Getty Images)

Deacons attend a praying session during the Meskel Festival to commemorate the discovery of the true cross on which Jesus Christ was crucified on, at the Meskel Square in Ethiopia's capital Addis Ababa, September 26, 2016. (Photo by Tiksa Negeri/Reuters)

A participant in the traditional dance of Los Historiantes poses for a photo during festivities in honour of St. Michael the Archangel in San Miguel Tepezontes, El Salvador September 28, 2016. (Photo by Jose Cabezas/Reuters)

Nepalese police officers worship a dog during the dog festival as part of Tihar celebrations, also called Diwali, at the Central Police Dog Training School in Kathmandu, Nepal October 29, 2016. Dogs are worshipped to acknowledge their role in providing security during Tihar festival, one of the most important Hindu festivals that is also dedicated to the worship of the goddess of wealth Laxmi. (Photo by Navesh Chitrakar/Reuters)

A Nepalese woman pours milk as she offers prayers to the setting Sun on the banks of the Bagmati River during the Chhath Puja festival in Kathmandu, Nepal, Sunday, November 6, 2016. During Chhath, an ancient Hindu festival, rituals are performed to thank the Sun God for sustaining life on earth. (Photo by Niranjan Shrestha/AP Photo)

A man with a mask poses for a portrait as he takes part in festivities in honour of patron saint San Jeronimo in Masaya city, Nicaragua November 20, 2016. (Photo by Oswaldo Rivas/Reuters)

Dancers from the Philadelphia Ballet perform for Pope Francis (R) as he attends the Festival of Families rally in Philadelphia, Pennsylvania September 26, 2015. (Photo by Brian Snyder/Reuters)

Worshippers of the Black Christ of Portobelo look at the statue during the annual celebratory pilgrimage in Portobelo, in the province of Colon October 21, 2015. Thousands of devotees gather at the Festival of the Black Christ every year to celebrate Christ's miracles. (Photo by Carlos Jasso/Reuters)