seapoint martello tower. dun laoghaire. county dublin. ireland

aged ancient architecture army blue building cannon castle chilly city climate coast cold defence defense dublin dun ecology emma environment environmental europe exterior freeze frost frozen global green greenhouse guard gun heritage historic horizon ireland irish laoghaire lookout martello military napoleon nature observation old outdoor outdoors past relic rocks round ruined scene sea seapoint seaside shoreline skyline snow snowdrift snowed snowy stone storm tourist tower town travel urban view vintage wall war warming watchtower water waves weather weathered white winter