Egyptian President Abdel-Fattah El-Sisi and Saudi Arabia's Crown Prince Mohamed Bin Salman inaugurated on Tuesday the completion of renovation work on Al-Azhar Mosque in old Islamic Cairo; the biggest in its 1,000-year history, the presidency said in a statement.
The three-year-old restoration of the mosque was initially funded by Saudi Arabia's late King Abdullah bin Abdulaziz and later sponsored by King Salman.
The project, the largest and most extensive renovation in the mosque's history, has been supervised by the country's Ministry of Antiquities.
Using materials similar to those used in Mecca's Grand Mosque, the project included replacing the building's floors and furniture, a complete upgrade of infrastructure, the lighting and sound systems, as well as water and ventilation networks.
Bin Salman concluded on Tuesday a three-day visit to Egypt; his first public foreign trip since becoming crown prince last year.