This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's ...
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The Great Pyramid of Giza Has MORE Than Four Sides
One of the most iconic and awe-inspiring structures of the ancient world continues to mystify historians and archaeologists. This square-based pyramid, like most pyramids, has been thought to have ...
A 3D shape with all straight edges and flat faces is a polyhedron. Other 3D shapes with least one curved surface are not polyhedra. A 3D shape with regular polygonal faces, meeting at equal angles, is ...
IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This plastic model has a white ...
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