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DUBAI, UNITED ARAB EMIRATES - DECEMBER 01:  Charlotte Caslick of Australia in action during day one of the Emirates Dubai Rugby Sevens - HSBC World Rugby Women's Sevens Series on December 1, 2016 in Dubai, United Arab Emirates.  (Photo by Francois Nel/Getty Images)
DUBAI, UNITED ARAB EMIRATES - DECEMBER 01:  Charlotte Caslick of Australia in action during day one of the Emirates Dubai Rugby Sevens - HSBC World Rugby Women's Sevens Series on December 1, 2016 in Dubai, United Arab Emirates.  (Photo by Francois Nel/Getty Images)

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Dubai Sevens: Will history repeat in opener?

CNN's Christina Macfarlane previews the start of the 2016-17 Sevens World Series season in Dubai with Olympic champion rugby coach Ben Ryan.

Dubai Sevens: Will history repeat in opener?

CNN's Christina Macfarlane previews the start of the 2016-17 Sevens World Series season in Dubai with Olympic champion rugby coach Ben Ryan.