America's Cup: Am-Cam video of AC72 racing on the Hauraki Gulf

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Emirates Team New Zealand sail NZL5 in practice on the Hauraki Gulf.

In the coiffed and manicured world of America's Cup PR, much of the video released is usually done with obvious intent, and often well after the event.

Over the past two days, Emirates Team New Zealand and Luna Rossa have been sailing together in the Hauraki Gulf, and were caught on camera, by the crew of a 14ft powerboat.

While it won't win Oscars for video quality, it does give a very good impression of what it will be like to see two AC72's chasing each other round the America's Cup course, come July, while fully foiling.

Spectacular doesn't really describe it.