-Three tall towers; the central tower is a mihrab -Vertical fluting drains water off the surface quickly Materials -Made of adobe, a baked mixture of clay and straw; adobe helps maintain cooler temperatures. Torrens: wooden beams projecting from walls Wooden beams act as in-place ladders for the maintenance of the building
--Crowning ornaments have ostrich eggs, symbols of fertility and purity -Roof has several holes with terra cotta lids to circulate air into the main room.
-Inhabited since 250 B.C.E. Djenne became a market center and an important link in the trans-Saharan gold trade -Two thousand traditional houses survive, built on small hills to protect against seasonal floods -Once a year there is a community activity to repair the mosque called Crepissago de la Grand Mosquee
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