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Volcanic blocks form road-like surface which lead to name of Giant's Causeway. Northern Ireland. | Visitors climb the hexagonal blocks of Giant's Causeway. Northern Ireland. | Massive array of volcanically formed hexagonal blocks of Giant's Causeway. Northern Ireland. | Varying colors at Giant's Causeway. Northern Ireland. |
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Varying shapes at Giant's Causeway. Northern Ireland. | Giant's Causeway step array. Northern Ireland. | Varying step shapes at Giant's Causeway. Northern Ireland. | Details of basalt columns at Giant's Causeway. Northern Ireland. |
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Coastal view at Giant's Causeway. Northern Ireland. | Columnar formations in cliffs at Giant's Causeway. Northern Ireland. | Visitors walk Giant's Causeway. Northern Ireland. | Hexagonal basalt cores of Giant's Causeway. Northern Ireland. |