1116-41494 - Slate pencil sea urchins (Heterocentrotus mammillatus) colour the hard coral in this Hawaiian reef scene with three free divers, Molokini Marine Preserve off the island of Maui, Maui, Hawaii, United States of America

1116-41495 - Slate pencil sea urchins (Heterocentrotus mammillatus) colour the foreground of this Hawaiian reef scene with a young woman free diving with black triggerfish (Melichthys niger), Molokini Marine Preserve off the island of Maui, Maui, Hawaii, United States of America

797-10861 - Scotland, Firth of Lorn, Isle of Easdale, Lobster pots outside a fishermans house on one the slate islands.

911-5360 - A salt tolerant plant growing across beach pebbles on Walney Island, Cumbria, England, United Kingdom, Europe

911-1793 - The ferry leaving Cuan from Seil Island to Luing Island, Slate Islands, Firth of Lorn, Argyll, Scotland, United Kingdom, Europe

911-1792 - An ancient carved outline of a Birlinn and ship introduced by the Norse to Scotland on an ancient chapel near Toberonochy, Isle of Luing, Slate Islands, Argyll, Scotland, United Kingdom, Europe

911-1791 - The postman loading the post onto the ferry at Cuan from Seil Island to Luing Island, Slate Islands, Firth of Lorn, Argyll, Scotland, United Kingdom, Europe

911-1790 - The ferry at Cuan from Seil Island to Luing Island, Slate Islands, Firth of Lorn, Argyll, Scotland, United Kingdom, Europe

641-12576 - The slate quarry, Valentia Island, Ring of Kerry, County Kerry, Munster, Republic of Ireland, Europe

586-1247 - Easdale Island from Bar Mor, old slate quarrying village separated from Seil Island by the Sound of Easdale, with Mull beyond, Seil Island, Argyll and Bute, Scotland, United Kingdom, Europe

739-333 - House on island of Samothraki (Samothrace), Greece, Europe