Interesting facts about Cairo

For Cairo, this is a great opportunity to learn more about the Arab capitals. There are many attractions in the city to see millions of people a year from around the world.
So, here are the most interesting facts about Cairo.
They called the "City of Training Programs." Copts live there, who collect garbage and sort for this. In this section of the capital, waste even on the roofs of buildings.
The first fortress in the Cairo area in Cairo was built in the second century thanks to the efforts of the Romans.
About 6 centuries ago, the local Khan El Khalli market is considered the largest trading platform of all African countries.
The Cairo Mosque al-Azhar is one of the most important mosques of Egypt, but the entire Muslim world. It was built in 970-972. Fatimid commander in order of AS. Later, the mosque became one of the Sunni Orthodox grounds.
There are trams, buses and 3 metro lines in Cairo, but they are always crowded, so everyone who has the opportunity to move to a taxi city.