This library was a grand and impressive building, which was decorated with 100 massive columns. It was destroyed during one of the invasions in the Barbarian period, who attacked Athens and the Roman Empire who controlled the city. Today, from the large library that once stood here only the Corinthian columns from the exterior remain.
Are you wondering what are Corinthian columns? There were a few styles for crowning columns in Ancient Greece, the Romans used it as well, and the Neo-Classicalism too in the past centuries. The Corinthian order, as referred to by experts, is a classic style that was born in Ancient Greece and was used mainly in ancient Roman structures. The Corinthian order can be identified by the column's crown, with stylized shapes that look like carved leaves. Do you see them?