Wearing helmets, wetsuits and buoyancy aids, participants explore the limestone caves, basaltcolumns and turquoise water.
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Giant's Causeway, Northern Ireland These massive hexagonal black basaltcolumns rise like steps and interlock neatly.
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Some visitors, of course, are thrown by the "small" size of the interlocked basaltcolumns.
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The thin basaltcolumns of the buttress were packed together like pieces of uncooked spaghetti in a package.
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This area features striking, vertical basaltcolumns-whereyou'll find mostly trad climbs-withquality edges sprinkled next to the cracks.
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"This piece of geography stands up like a basaltcolumn," Jeff said.
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A waterfall flowed over a row of perpendicular basaltcolumns that surrounded a deep basin, resembling piles of ebony artificially arranged.
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Sometimes we fish along the shore, and then enjoy a luncheon in the grotto, while the basaltcolumns vibrate like harps to the breeze.
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Sometimes we fish along the shore, and, then enjoy a luncheon in the grotto, whilst the basaltcolumns vibrate like harps to the breeze.
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In County Antrim, on the northeast coast of Ireland, lie these 40,000-plus naturally formed basaltcolumns, referred to colloquially as the "Giants' Causeway."