Pakistan, Sept. 9 -- Ethiopia has officially inaugurated the Grand Renaissance Dam (GERD), marking a historic achievement for the nation. Prime Minister Abiy Ahmed hailed the $4-billion project as "a great achievement for all black people," despite years of tension with Egypt over the dam's impact on Nile water flow. The ceremony, attended by regional leaders including Kenyan President William Ruto and Somali President Hassan Sheikh Mohamud, celebrates the completion of Africa's largest hydroelectric dam.

The GERD, located on a tributary of the Nile River near the Sudanese border, stands 170 meters (550 feet) tall and stretches nearly two kilometers (1.2 miles) across the Blue Nile. It is designed to hold 74 billion cubic meters of water...