A dog competes during the during the 6th annual Loews Coronado Bay resort surf dog competition in Imperial Beach, near San Diego on June 4, 2011. (Photo by AFP)

A surfer rides a large wave at El Bocal during the Vaca Gigante (Big Cow) giant wave surf competition in Santander, northern Spain December 17, 2016. (Photo by Vincent West/Reuters)

A surfer braves a large wave at Queenscliff in Sydney, Monday, June 6, 2016. Storms have lashed Australia's easter coast for several days whipping up waves as high as 12 meters (40 feet), which caused serious beach erosion and forced hundreds of coastal residents to evacuate. (Photo by Rick Rycroft/AP Photo)

Women dressed as nuns pose for pictures during Halloween celebrations in the Shibuya district in Tokyo, Japan October 31, 2015. (Photo by Thomas Peter/Reuters)

A man surfs during a local competition in the Mediterranean Sea, near Ashdod, Israel November 17, 2016. (Photo by Amir Cohen/Reuters)

A dog named Rama surfs a wave off Sydney's Palm Beach with its owner, Australian dog trainer and former surfing champion Chris de Aboitiz (not pictured), February 18, 2016. An Australian dog trainer and former surfing champion is using the discipline of surfing as a way of teaching owners to build healthy relationships with man's best friend. (Photo by Jason Reed/Reuters)

A dog catches a wave during the Surf City Surf Dog Contest in Huntington Beach, California September 27, 2015. (Photo by Lucy Nicholson/Reuters)

A dog rides a wave during the Surf City Surf Dog competition in Huntington Beach, California, U.S., September 25, 2016. The dogs compete in contest categories ranging from small to extra large, to two dogs on a board, as well as owner and dog. (Photo by Lucy Nicholson/Reuters)