It concerns his plan to regulate the flow of the Nile River almost 1,000 years before the project was actually carried out at Aswân in 1902.
E akaretsa leano la gagwe la go laola metsi a Noka ya Nile le a tlileng ka lone dingwaga di le 1 000 pele porojeke eo e ka dirwa ka 1902 kwa Aswân.