Where is Cairo, Egypt,

Cairo is located in northern Egypt, known as Lower Egypt, 165 kilometres (100 mi) south of the Mediterranean Sea and 120 kilometres (75 mi) west of the Gulf of Suez and Suez Canal.

(found it online because i really don’t know)

Ithink that it’s mali

Answermost of the time it would be ground into fine sediment,and sometimes they are carried away from the original location;