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How were Bobo and Nankani compound walls decorated?
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African architecture
The Great Zimbabwe complex, near Masvingo, south-central Zimbabwe.
In the context of African architecture, the compound walls of the Bobo people in Burkina Faso and the Nankani in Ghana are decorated using coloured clays.1
These earthen surfaces are typically plastered smooth and dried to a rocklike hardness before being adorned with these pigments.1