Waves crash against the base of Castillo San Felipe del Morro, San Juan, Puerto Rico
Thunder Hole area in Acadia National Park, Maine, USA
Natural rock formations along beach coastline, Sunset Cliffs, California, USA
High cliffs of Mediterranean coast, "Pan di Zucchero" stack rock in Masua, Sardinia, Italy
Fanad Head lighthouse and its cove at sunset, County Donegal, Ulster region, Ireland
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