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Granite Enclosures and Indian Ocean Trade: The Archaeology of Great Zimbabwe
Rising above the southeastern plateau of southern Africa, Great Zimbabwe stands as the most formidable medieval stone city south of the Sahara. Flourishing between the eleventh and fifteenth centuries as the seat of a prosperous Shona kingdom, the settlement commanded an empire sustained by pastoral wealth and intercontinental trade. At its architectural core, masons extracted tabular granite through thermal exfoliation, cleaving regular blocks from natural domes to assemble monumental walls entirely without mortar. The resulting structures, particularly the Hill Complex and the Great Enclosure, demonstrate an engineering mastery that integrated living bedrock into towering curvilinear fortifications.
The Great Enclosure remains the site's most celebrated sector. Its outer perimeter wall extends over two hundred and fifty metres, reaching heights of eleven metres and widths of six metres at its massive base.