Sure, there's the bellyflop. The cannonball. The bomb. But for the biggest pool splash of all, nothing beats "popping a Manu," a unique and fiendishly difficult type of diving perfected by the Māori ...

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Add Yahoo as a preferred source to see more of our stories on Google. Maybe you've unknowingly tried to do a manu jump. Isabel Pavia/Moment via Getty Images Whether diving off docks, cannonballing ...