“Cossacks are a group of predominantly East Slavic people who originally were members of democratic, semi-military communities in Ukraine and Southern Russia. They inhabited sparsely populated areas and islands in the lower Dnieper and Don basins, and played an important role in the historical development of both Ukraine and Russia”. – Wikipedia

Photo: Кубанский казачий хор (Kuban Cossack chorus) - Розпрягайте, хлопцi, коней (Unharness The Horses, Guys!) – Ukrainian

A demonstrator carries a placard reading “One more day of reflection” as she dances with others at Sol Square on May 21, 2011 in Madrid, Spain. A growing number of angry Spaniards have, encouraged by youth groups and social media campaigns, taken possession of the Sol square setting it up with tents and kitchens ahead of Sundays regional and municipal elections held in Spain. (Photo by Jasper Juinen/Getty Images)

Meri Nirmala Sari, 11, poses in her traditional costume before a performance August 6, 2002 in Ubud, Bali, Indonesia. Meri dances with the Gunung Sari Peliatan dance group and has become a professional. She started dancing at age 5. (Photo by Paula Bronstein/Getty Images)

Participants gather in the Union Square subway station during the annual No Pants Subway Ride on January 8, 2012 in New York City. The annual event is staged by the group Improv Everywhere which encourages people in dozens of cities worldwide to discard their pants while riding the subway. (Photo by Mario Tama/Getty Images)

A prisoner from the Pedrinhas prison is carried to receive medical help after he was injured during a fight between rival gangs inside the jail, in Sao Luiz, capital of Maranhao state, January 8, 2014. The recent posting on a major Brazilian news website of a video filmed last December 17 by Pedrinhas prisoners of the decapitated and tortured bodies of rival inmates inside the jail has highlighted some of the problems present in the country's prison system which houses nearly twice as many prisoners as its capacity, according to official statistics. (Photo by Douglas Cunha/Reuters/O Estado do Maranhão)

Rescuers search for survivors in the rubble of a collapsed residential building in Makongeni estate in Nairobi December 17, 2014. Three more bodies were recovered on Wednesday night from the building that collapsed in Makongeni estate in Nairobi, raising the death toll to four, Kenya Red Cross has reported. The residential building whose sixth floor was still under construction had allegedly not been cleared for occupation by the Nairobi City County and its owner has been missing since it collapsed. A search and rescue and rescue operation is ongoing for the unknown number of people still trapped under the rubble, Kenya Red Cross also reported. (Photo by Thomas Mukoya/Reuters)

A Thai devotee in a state of trance screams while holy water is sprayed as thousands race towards the edifice of the founder monk during the annual Tattoo fesitval at Wat Bang Phra on March 7, 2009 in Nakhom Pathom, Thailand. Some men take on the characteristics of sacred animals that have been carved onto their skin. Thousands of believers from all over Thailand come to take part in one of the country's most bizarre festivals about 50 miles outside Bangkok to pay respect to the temple's monks who are master tattooist. In Thai culture the tattoo or Thai word sak yant is worn as a symbol of spiritual and physical protection, many believe that the tattoo have mystical powers. Many tattoo fanatics choose to have monkeys and tigers as well as the Khmer/Cambodia ancient script on their bodies. (Photo Paula Bronstein/Getty Images)

Badminton School sixth form pupils (L-R) Lucy Warden, who got 3 A* and is off to study English at Durham, Sam Crumpton, who got 1 A* and 2 A's and is off to study to be a vet at Cambridge and Madeline Sunter, who got 2 A* and 1 B, and is off to study fashion at St. Martins, celebrate their A-level results on August 18, 2011 in Bristol, England. With another record year for A-level results, sixth-form students face a scramble for university places in the final year before tuition fees rise. According to the examination bodies the pass rate rose for the 29th successive year to hit 97.8 percent, while around one in 12 exams achieved the top A* grade. (Photo by Matt Cardy/Getty Images)