An aerial view shows the Nile before sunset in the Egyptian capital, Cairo on June 20, 2020. AFP
A satellite image of the Grand Ethiopian Renaissance Dam on the Blue Nile river in the Benishangul-Gumuz region of Ethiopia. Maxar Technologies via AP
A satellite image of the Grand Ethiopian Renaissance Dam on the Blue Nile river in the Benishangul-Gumuz region of Ethiopia. Maxar Technologies via AP
A 2013 photo showing the Blue Nile river flowing near the site of the Grand Ethiopian Renaissance Dam near Assosa in the Benishangul-Gumuz region of Ethiopia. AP, File
A general view of construction work at the site of the Grand Ethiopian Renaissance Dam near Assosa, Ethiopia. AP, File
A general view of construction work at the site of the Grand Ethiopian Renaissance Dam near Assosa, Ethiopia. AFP, File
A general view of construction work at the site of the Grand Ethiopian Renaissance Dam near Assosa, Ethiopia. AFP, File
Construction workers are seen at the site of the Grand Ethiopian Renaissance Dam near Assosa, Ethiopia. AFP, File
A general view of construction work at the site of the Grand Ethiopian Renaissance Dam near Assosa, Ethiopia. AFP, File
A general view of construction work at the site of the Grand Ethiopian Renaissance Dam near Assosa, Ethiopia. AFP, File
A view of construction work at the site of the Grand Ethiopian Renaissance Dam near Assosa, Ethiopia. AFP, File
A general view of construction work at the site of the Grand Ethiopian Renaissance Dam near Assosa, Ethiopia. AFP, File
A general view of construction work at the site of the Grand Ethiopian Renaissance Dam near Assosa, Ethiopia. AFP, File
Sudan's Minister of Irrigation and Water Resources Yasir Mohamed (C) takes part in a video meeting over the Grand Ethiopian Renaissance Dam on June 9, 2020. AFP
Egyptian Foreign Minister Sameh Shukry. AP
The Nile in the Sudanese capital, Khartoum. AFP
The Nile in the Sudanese capital, Khartoum. AFP
The Nile in the Sudanese capital, Khartoum. AFP
A pleasure boat carrying tourists and locals sails on the Nile at sunset in Aswan, Egypt. AP, file
Sayed Ahmed Abdoh poles his boat to check fish traps in the Nile, near Abu Al Nasr village, about 770 kilometres south of Cairo, in Egypt. AP, file
An aerial view shows the Nile before sunset in the Egyptian capital, Cairo. AFP
An aerial view shows the Nile before sunset in the Egyptian capital, Cairo on June 20, 2020. AFP
A satellite image of the Grand Ethiopian Renaissance Dam on the Blue Nile river in the Benishangul-Gumuz region of Ethiopia. Maxar Technologies via AP
A satellite image of the Grand Ethiopian Renaissance Dam on the Blue Nile river in the Benishangul-Gumuz region of Ethiopia. Maxar Technologies via AP
A 2013 photo showing the Blue Nile river flowing near the site of the Grand Ethiopian Renaissance Dam near Assosa in the Benishangul-Gumuz region of Ethiopia. AP, File
A general view of construction work at the site of the Grand Ethiopian Renaissance Dam near Assosa, Ethiopia. AP, File
A general view of construction work at the site of the Grand Ethiopian Renaissance Dam near Assosa, Ethiopia. AFP, File
A general view of construction work at the site of the Grand Ethiopian Renaissance Dam near Assosa, Ethiopia. AFP, File
Construction workers are seen at the site of the Grand Ethiopian Renaissance Dam near Assosa, Ethiopia. AFP, File
A general view of construction work at the site of the Grand Ethiopian Renaissance Dam near Assosa, Ethiopia. AFP, File
A general view of construction work at the site of the Grand Ethiopian Renaissance Dam near Assosa, Ethiopia. AFP, File
A view of construction work at the site of the Grand Ethiopian Renaissance Dam near Assosa, Ethiopia. AFP, File
A general view of construction work at the site of the Grand Ethiopian Renaissance Dam near Assosa, Ethiopia. AFP, File
A general view of construction work at the site of the Grand Ethiopian Renaissance Dam near Assosa, Ethiopia. AFP, File
Sudan's Minister of Irrigation and Water Resources Yasir Mohamed (C) takes part in a video meeting over the Grand Ethiopian Renaissance Dam on June 9, 2020. AFP
Egyptian Foreign Minister Sameh Shukry. AP
The Nile in the Sudanese capital, Khartoum. AFP
The Nile in the Sudanese capital, Khartoum. AFP
The Nile in the Sudanese capital, Khartoum. AFP
A pleasure boat carrying tourists and locals sails on the Nile at sunset in Aswan, Egypt. AP, file
Sayed Ahmed Abdoh poles his boat to check fish traps in the Nile, near Abu Al Nasr village, about 770 kilometres south of Cairo, in Egypt. AP, file
An aerial view shows the Nile before sunset in the Egyptian capital, Cairo. AFP
An aerial view shows the Nile before sunset in the Egyptian capital, Cairo on June 20, 2020. AFP