Hagia Sofia: House of Worship

Agia Sophia, built by Byzantine Emperor Justinian I in 537 CE, is a significant architectural marvel. Originally a Christian church, it is now a mosque in Turkey. Designed by Anthemius of Trallus and Isodorus of Maletus, the structure features a massive dome and intricate mosaics. It became a World Heritage Site in 1985 and attracts millions of tourists annually.

What is one of the most prominent features of Agia Sophia?

What was Agia Sophia originally used for before becoming a mosque?