Answer:
Clerestory
Explanation:
The clerestory is a series of windows that present in the high section of the wall. The purpose of the clerestory windows is to admit light and air inside the church. Historically, clerestory first appears in temples of Ancient Egypt, later adopted by the Romans. During the Romanesque period, many churches constructed in Europe with windows in the wall. Some of the Italian churches appeared to have clerestory in the design of ocular.
