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
1116-41500 - Two men free diving over a Hawaiian hard coral reef with slate pencil sea urchins (Heterocentrotus mammillatus), Hawaii, United States of America
832-382008 - Loreley, slate rock formation, UNESCO World Heritage Upper Middle Rhine Valley near St. Goarshausen, Rhine Valley, Rhine, Rhineland-Palatinate, Germany, Europe
832-382007 - Loreley, slate rock formation, UNESCO World Heritage Upper Middle Rhine Valley near St. Goarshausen, Rhine Valley, Rhine, Rhineland-Palatinate, Germany, Europe
832-277553 - Gran Paradiso National Park between Piemonte Piedmont and Aosta valley Italy Garian Alps houses at Chiapili near Ceresole Reale Valle di Locana