Which of the following is a feature of the Great Mosque in Córdoba?

The focal point in the prayer hall is the famous horseshoe arched mihrab or prayer niche. ... This is practical as Muslims face toward Mecca during their daily prayers. The mihrab in the Great Mosque of Cordoba is framed by an exquisitely decorated arch behind which is an unusually large space, the size of a small room.

herodotus taught this. herodotus was an ancient greek historian who was born in halicarnassus in the persian empire. he is known for having written the book the histories, a detailed record of his "inquiry" on the origins of the greco-persian wars.