Giants CausewayZone volcanique formée de 40 000 colonnes basaltique hexagonales verticales juxtaposéesSituation Irlande Giants Causeway Giants Causeway Lisburn Lisburn Belfast Belfast Cobh Cobh Hillsborough Hillsborough Photos giantscauseway_8526giantscauseway_8528giantscauseway_0837giantscauseway_8530giantscauseway_8531giantscauseway_8580giantscauseway_8582giantscauseway_0869giantscauseway_8603giantscauseway_8608