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NEWCASTLE UPON TYNE, ENGLAND - OCTOBER 10: The Samoan team perform the Siva Tau prior to the 2015 Rugby World Cup Pool B match between Samoa and Scotland at St James' Park on October 10, 2015 in Newcastle upon Tyne, United Kingdom. (Photo by Alex Livesey/Getty Images)

NEWCASTLE UPON TYNE, ENGLAND - OCTOBER 10:  The Samoan team perform the Siva Tau prior to the 2015 Rugby World Cup Pool B match between Samoa and Scotland at St James' Park on October 10, 2015 in Newcastle upon Tyne, United Kingdom.  (Photo by Alex Livesey/Getty Images)