Merryn Thomas / Surfer running on beach to sea, Rhossili, Gower, Wales. February 2013
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Luis Quinta / Surfer riding a big wave, Praia do Norte, Nazare, Portugal, December 2014.
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Luis Quinta / Surfer riding a big wave, Nazare, Portugal, December 2015.
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Luis Quinta / Surfer riding a big wave, Nazare, Portugal, December 2014.
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Graham Eaton / Surfer entering the sea with large waves breaking over the jetty during an easterly gale, Criccieth, Gwynedd, North Wales, September 2013.
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Graham Eaton / Surfer entering the sea with large waves breaking on the jetty during an easterly gale, at Criccieth, Gwynedd, North Wales, September 2013.
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Cheryl-Samantha Owen / Crowd of people at Surfers Corner, Muizenberg Beach, False Bay, near Cape Town, Western Cape, South Africa. July.
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Cheryl-Samantha Owen / Crowd of people at Surfers Corner, Muizenberg Beach, False Bay, near Cape Town, Western Cape, South Africa. July.
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Cheryl-Samantha Owen / Crowd of people at Surfers Corner, Muizenberg Beach, False Bay, near Cape Town, Western Cape, South Africa. July.
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Cheryl-Samantha Owen / Green flag emblazoned with the outline of a white shark means conditions, such as water visibility, the degree of wind, cloud cover or sun reflection on the waters surface, would allow surfers to spot...
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Cheryl-Samantha Owen / Surfer walking along beach, Muizenberg Beach, False Bay, near Cape Town, Western Cape, South Africa. July 2013.
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Cheryl-Samantha Owen / Dennis Chikodze hoists the black flag at the Kalk Bay post. It provides a warning to ocean goers that visibility is bad and the shark spotters may not see a white shark if it does enter the bay. West...