This garden may have been located on or near the current site of the Cairo Marriott Hotel.
Tea time in the front garden of Mena House, an hotel in Cairo, Egypt. Taken between 1934 and 1939 by the Photo Department of the American Colony of Jerusalem, via Library of Congress Prints and Photographs Division (both photos).
I think that tea has come too late for the lady in the foreground, who seems to have nodded off.
View of a pyramid from the front porch, Mena House, Cairo, Egypt.
The hotel opened in 1890 and featured Egypt’s first swimming pool. Famous guests have included British and Egyptian royalty, Winston Churchill, Sir Arthur Conan Doyle, Agatha Christie, and Charlie Chaplin.