These rugged red-granite?­ cliffs and boulders have been hurled down to the sea by volcanic eruptions and eroded there by wind and water, forming the most bizarre and fantastic shapes.
Acid rain has accelerated the erosion of the cliffs.
mnli hypothesis: Acid rain has accelerated the erosion of the cliffs. premise: These rugged red-granite?­ cliffs and boulders have been hurled down to the sea by volcanic eruptions and eroded there by wind and water, forming the most bizarre and fantastic shapes.