Guests on the terrace of Shepheard's Hotel, Cairo, circa 1940. (Photo by Hulton Archive/Getty Images)

Locals and foreigners mingle in a bustling Cairo street, seen from the terrace, Shepherds Hall. (Photo by Hulton Archive/Getty Images). Circa 1928

A view of Cairo, showing its minarets and mosques. (Photo by Hulton Archive/Getty Images). Circa 1930

The streets of Cairo. (Photo by General Photographic Agency/Getty Images). Circa 1930

Farida, Queen of Egypt, the first wife of King Farouk I of Egypt, at the opening of the French sculpture exhibition in Cairo. She is with Princess Fawzia. (Photo by Hulton Archive/Getty Images). February 1939

An aerial view of the ninth-century mosque of Ibn Tulun in Cairo, circa 1935. (Photo by Hulton Archive/Getty Images)

Apartment blocks in Aiwal Avenue, Cairo. (Photo by Hulton Archive/Getty Images). 1st May 1937

King Ibn Saud of Saudi Arabia (1876–1953, left) in Cairo with King Farouk I of Egypt (1920–1965), during a state visit by the Saudi monarch, 1945. (Photo by Keystone/Hulton Archive/Getty Images)

A sidestreet at Cairo. The lane in the middle of streets in Cairo is used for parking vehicles and carts and for piling up rubbish before disposal. (Photo by Three Lions/Getty Images). Circa 1950

Saudi Arabian Crown Prince Saud bin Abdul Aziz (1902–1969) inspects a guard of honour at Abdeen Palace, Cairo, during an official visit to Egypt, 24th April 1937. Saud later reigned as King of Saudi Arabia from 1953 to 1964. (Photo by Keystone/Hulton Archive/Getty Images)

An Egyptian merchant sitting outside his shop in a Cairo souk. (Photo by Three Lions/Getty Images). Circa 1955

Crowds cheering in Cairo as President Muhammad Naguib goes to the people in the Delta country in Egypt, after he and fellow officers seized power from King Farouk in a coup d'etat. (Photo by Bert Hardy/Getty Images). 1952

A makeshift shooting gallery, one of many in public parks in Cairo to mark the Prophet's Birthday. (Photo by Keystone Features/Getty Images). Circa 1966