English: Relief of Jebel Sheikh Suleiman, National Museum of Sudan, Khartoum, Sudan, North-east Africa One of the most important historical testimonies kept in the museum, dating to about 3000 BCE, the time of the first Pharaohs. An early example of low relief carving, possibly describing a war between the Egyptians and the A-Group Nubian people. The circles at the bottom represent cities. The relief comes from the second cataract, one of the most ancient frontiers in the history of mankind.