Two llamas eat grass in the Inca citadel of Machu Picchu, Peru
Remains and ruins of ancient abandoned city of Pompeii, near Naples, Campania, Italy
Aerial view of the Avenue of the Dead and Pyramid of the Moon, Teotihuacan, Mexico
Aerial view of the Valley of Temples near Agrigento, Sicily, Italy
Ruins of the Temple of Heracles in the Valle dei Templi, Agrigento, Sicily, Italy
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