Pod of dolphins surf effortlessly through the waves in the wild traveling at speeds up to 20 mph. (Photo by Greg Huglin)

A dancer performs before a judging panel during the World Irish Dancing Championships in Dublin, Ireland on April 11, 2017. The April 9-16 event draws some 5,000 performers from Ireland and overseas, including from both the Irish diaspora in places like the United States and Australia as well as less likely countries such as Russia and Japan. (Photo by Clodagh Kilcoyne/Reuters)

Tribesmen loyal to the Houthi movement perform the Baraa dance during a gathering to show support to the movement in Sanaa, Yemen, May 19, 2016. Bara or Baraa dance is one of the several traditional outdoor dances performed by men in the country of Yemen. Bara dance literally means a dagger dance, where each dancer holds a dagger. The style of the Bara dance differs from tribe to tribe. It is performed on special occasions. (Photo by Khaled Abdullah/Reuters)

Two daredevil photographers have risked their lives to become the first people to capture the explosive moment fiery lava crashes into the sea – while in the water themselves. Fearless duo Nick Selway, 28, and pal CJ Kale, 35, brave baking hot 110F (43,3C) waters to snap the amazing images – standing just feet away from scalding heat and floating lava bombs. Using a simple protective casing around their cameras, and donning just swimming shorts and flippers, they bob up and down with the water as the surf washes over their heads. (Photo by Nick Selway/CJ Kale/Caters News Agency)

A competitor scrambles in the mud under barbed wire during the Tough Guy Challenge 2009 at South Perton Farm on February 1, 2009 in Wolverhampton, England. The biannual event to raise cash for charity challenges thousands of international competitors to run through a gruelling set of 21 obstacles including water, fire and tunnels after a lengthy run at the start. (Photo by Christopher Furlong/Getty Images)

Sakia Corona, 8, (C) takes part in a rehearsal of the Contemporary Haitian Dance in a communal center in downtown Havana January 30, 2015. Nearly 25 people, from the Haitian Contemporary Dance Company Petit Fey or Small Leaf, in Haitian Creole, rehearse a play called Papa Guede for future presentations in Havana. (Photo by Alexandre Meneghini/Reuters)

Dancers wear traditional dresses as they perform during women's dance festival in Jogeva, Estonia, June 12, 2016. (Photo by Ints Kalnins/Reuters)