Part of our training, every other day, was to climb up to the mast and go all the way to the crow's nest.

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Marina manager Mike Harris said he had seen ducks nesting on boats but he had never seen a real crow's nest on a mast.

BBC: Crow's nest built on yacht mast in Aberystwyth

Neither will you find Green Jacket, Amen Corner, Crow's Nest, Augusta National Golf Club or usually even Augusta, the public-domain city in Georgia where the tournament takes place.

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