Without the use of any type of scuba equipment, divers descend to great depths armed with underwater guns, harpoons and strong line to stalk and hunt prey. Some of the best free-divers in the world can hold their breath for up to 5 minutes under water and go to depths greater than 100 feet.

(All photography © Eyeconic 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)

High winds blow sand across the highway near the original north shore of Owens Lake, now miles from the nearest pool of water, on May 5, 2007 near Lone Pine, California. (Photo by David McNew/Getty Images)

Supermodel Chanel Iman attends DKNY's Golden Delicious million dollar fragrance bottle unveiling at the DKNY Store on December 5, 2011 in New York City. (Photo by Slaven Vlasic/Getty Images)

Actor Danny DeVito attends the “Dr. Seuss' The Lorax” (Der Lorax) Germany Photocall at Ritz Carlton on March 5, 2012 in Berlin, Germany. (Photo by Andreas Rentz/Getty Images)

Horse racing is part of Naadam, a festival organized every July in Mongolia to celebrate the People’s Revolution. Using children as jockeys in such races has a centuries-long tradition. Boys and girls as young as 5 (although the law imposes a minimum age limit of 7) ride in races that can be dangerous, with hundreds of horses running across the steppe at distances of 12 to 28 kilometres at great speeds. (Photo by Tomasz Gudzowaty)

Singer/rapper Nicki Minaj performs on ABC's “Good Morning America” at Rumsey Playfield, Central Park on August 5, 2011 in New York City. (Photo by Jemal Countess/Getty Images)

Leaves are stuck to the road surface on October 5, 2011 in London, England. A combination of late Summer high temperatures and an early fall of leaves onto a sticky non-slip section of road tarmac has created a leafy collage. (Photo by Peter Macdiarmid/Getty Images)