A Palestinian protester uses a sling to hurl stones towards Israeli troops during clashes near the Jewish settlement of Bet El, near the occupied West Bank city of Ramallah October 5, 2015. Violence intensified in Jerusalem and the West Bank on Sunday after Israelis were targeted in two stabbing attacks and a Palestinian was killed in a clash with Israeli troops, officials said. (Photo by Mohamad Torokman/Reuters)

A bogieboarder rides a wave at the wedge in Newport Beach, Calif., Wednesday, August 27, 2014. Southern California beachgoers experienced much higher than normal surf, brought on by Hurricane Marie spinning off the coast of Mexico. (Photo by Chris Carlson/AP Photo)

A bodyboarder rides a wave during a big- wave surfing session at Praia do Norte in Nazare on November 19, 2016. (Photo by Patricia de Melo Moreira/AFP Photo)

Brian Skerry can be called many things – explorer, journalist, conservation advocate – but he is first and foremost a photographer. His journeys to capture amazing underwater photographs have taken him across the world’s oceans. Photo: This Bahamian oceanic whitetip shark, known for the distinctive coloring on its white-tipped, rounded extremities, is part of a globally threatened species due to overfishing demands, primarily for its fins. (Photo by Brian Skerry)

Participants of the the goth festival “Wave Gothic Festival” walk in fancy costumes along the festival area in Leipzig, central Germany, Saturday, May 23, 2015. About 20,000 members of the scene are expected to attend one of the world's largest gothic and “dark” culture festivals until May 25, 2015. (Photo by Jens Meyer/AP Photo)

Photographer Mark Tipple captured the underwater pictures with his friend Mike as the surfer. But the rough waves of the coast of the Cook Islands slammed Mike into the sea bed during the shoot, causing him to slice his skin open and badly bruise his body. Photo: Mike diving beneath a shallow wave. (Photo by Mark Tipple/Caters News Agency)

A 10-year-old boy living on the streets of New Delhi lies down on cascading water of a fountain in the gardens of the India Gate monument on May 20, 2016. The Indian Meteorological Department issued warnings of “severe heat wave” conditions across large parts of India's north and west, including the capital Delhi, where temperatures hit 47 degrees Celsius. (Photo by Roberto Schmidt/AFP Photo)

Body surfers ride a large wave at the Wedge in Newport Beach of the Southland coast on May 20, 2011 in Newport, California. Surfers have been lured to the south facing beaches for the biggest swells of the season. (Photo by Kevork Djansezian/Getty Images)