They are created by the Gurunsi women of Tiebélé for decorating their traditional adobe homes that also share similar geometric pattern with shapes found on the calabashes of Fulani women. These motifs can also be found on the frescoes of traditional adobe buildings found in Northern Ghana, Niger, Northern Nigeria and Cameroon.
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Here's some more amazing photos of Tiebélé, Burkina Faso, West Africa
Also please watch this fascinating video of the women painting the houses