The Giant’s Causeway, on the northern coast of Northern Ireland, consists of thousands of basalt stone pillars that were formed when ancient lava flows cooled on meeting the sea.
Hiiglaste tee Põhja - Iirimaa põhjarannikul koosneb tuhandetest basaltsammastest, mis tekkisid iidsel ajal, kui laavavood merega kohtudes jahtusid.