Question

was...is
The vast Sahara desert was
virtual uninhabited. Cairo
is the larger city in Africa
but Egypt has the largest population
after Nigeria. Tourism have been Egypt's
biggest earner, but the tourist are
putting the monuments at risk.
More then 8 million tourists
visiting the pyramids last year.
The humidity and dust are damaged
the walls and eroding the paintings.​

Answer 1

Cairo, Arabic Al-Qāhirah (“The Victorious”), city, capital of Egypt, and one of the largest cities in Africa. Cairo has stood for more than 1,000 years on the same site on the banks of the Nile, primarily on the eastern shore, some 500 miles (800 km) downstream from the Aswān High Dam. Located in the northeast of the country, Cairo is the gateway to the Nile delta, where the lower Nile separates into the Rosetta and Damietta branches. Metropolitan Cairo is made up of the Cairo muḥāfazah (governorate), as well as other districts, some of which belong to neighbouring governorates such as Al-Jīzah and Qalūbiyyah. Area governorate, 83 square miles (214 square km). Pop. (2006) governorate, 7,786,640; (2005 est.) urban agglom., 11,128,000.