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| These are created with multi-coloured limpet shells, plus various other stones and shells, arranged into different patterns. | |||
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Shell design in Omagh, Co.Tyrone |  |
This example (DerrySpiral) was made in the middle of Derry City in October '97, is 5m in diam. and took 8 hours to lay. |
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Shell design in Enniskillen, Co.Fermanagh | ||
| Click on image to view larger version |    |
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