In ancient Somalia, pyramidical structures known in Somali as taalo were a popular burial style, with hundreds of these dry stone monuments scattered around the country today. Houses were built of dressed stone similar to the ones in Ancient Egypt. There are also examples of courtyards and large stone walls enclosing settlements, such as the Wargaade Wall.

Answer this question, if possible (if impossible, reply "unanswerable"): What is a notable stone wall built in ancient Somalia?
the Wargaade Wall