Scientists say that 55 to 65 million years ago, the North of Ireland was subject to volcanic activity, and that molten lava cooled rapidly, creating fractures in the rock that looked like giant stone pillars, some reaching a height of nearly 40 feet.
It made a vivid pattern in the rock...
...and was such a unique natural phenomenon that in 1986 UNESCO named it World Heritage Site.
I appreciate your visit to Writing Between the Lines, and thanks for the re-blog!